Black Widow vs Black Widow

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Disclaimer: I do not own Black Widow or anything to do with Marvel. I do not make any money from the writing of this story. 

"So, are you going to point a gun at me again?"

"That depends..."

"On what?"

"If you're going to point one at me."

Natasha Romanoff had detected someone inside her hideout almost immediately, and then smiled when she realized who it was. Her 'sister' Yelena Belova was normally better about covering her tracks, given that she was one of the best graduates of The Black Widow program. Which meant that she wanted Natasha to know she was there, and therefore was unlikely there to fight. Something which was more or less confirmed with that little exchange. And even though it went against her training, she holstered her weapon and came out of the shadows. Which was breaking the rules, but it wouldn't be the first time she had done that for her sister. Or the last.

It had been a long day... or more accurately, it had been a long life, with the last few years seeming particularly long. But seeing Yelena sitting on one of the chairs inside her safe house put her at ease, and almost forced a smile out of her. At least until she saw the little bitch was holding a glass of her favourite scotch, with a half empty bottle on the table in front of her. Natasha had been planning to drink that herself when she got back, now it was practically gone. A fact which had Yelena smirking like the annoying little sister she was. Or at least, the role she had perfected. Certainly the safest way Natasha could look at her, the redhead thought dismissively, before collapsing down on the couch beside the chair and taking the glass which was waiting for her.

"You could have saved me more than this." Natasha grumbled, before taking a sip of the scotch.

"You're always such a baby." Yelena grumbled, although a smirk shone through again, "You have plenty left. And I even bought you some vodka. I can't believe you didn't have any vodka."

"I do not enjoy leaning into stereotypes, as you do." Natasha quipped light-heartedly.

"Is that why you got rid of your accent?" Yelena questioned with a raised eyebrow, her own Russian accent seeming particularly thick in that moment.

Natasha took another sip of her drink, and then pointed out, "We're assassins. We're supposed to be able to infiltrate, without giving ourselves away."

"No, I'm an assassin." Yelena countered bitterly. taking a sip of her own drink, "You? You're an Avenger. The World's Greatest Heroes, ha. The role model of little girls everywhere."

"So I should proudly represent the country which brain-washed me, and turned me into a killer?" Natasha questioned bitterly.

Yelena shrugged, and then pointed out, "The Red Room did that, not mother Russia."

"The Red Room had the full support of the Russian government, regardless of what they claim." Natasha said softly, taking another sip of her drink, before adding, "And I disagree with some of their policies."

"Unlike you, I try not to get involved in politics. Unless I'm ordered too." Yelena shrugged, finishing her drink before admitting, "Although I do see your point. Of course, I didn't come here to argue about politics."

"So, why are you here?" Natasha questioned.

"I can't just visit my sister, and drink her alcohol?" Yelena asked with a teasing smile, and then after a few long seconds of Natasha just looking at her, she looked away and softly admitted, "I have a job offer."

"To kill me?" Natasha guessed with a raised eyebrow.

"No." Yelena laughed, then after a few long seconds questioned with obvious hurt in her voice, "Natasha, do you really think I would do that to you?"

"If the last time we saw each other should teach us anything, it's that in this world, we don't always have a choice." Natasha said bitterly, finishing her drink and then pouring herself and the other Widow another.

"Perhaps." Yelena admitted bitterly, before quickly adding, "But I cannot imagine allowing myself to do that to you."

"Perhaps you just lack imagination." Natasha said bitterly, taking a sip of her new drink.

"Could you kill me?" Yelena questioned, taking a sip of the new drink afterwards, afraid of the answer, but having to know it.

"Only if I had too." Natasha said softly.

There was a brief pause, and then Yelena admitted, "If it was you or me, I'd want it to be you."

"I wouldn't..." Natasha said sadly, before asking after another brief pause, "So, what's this job offer?"

Yelena finished her glass, poured herself another, and then explained, "From what I can tell, it is like SHIELD used to be. Except for the Hydra infiltration. At least, as far as I can tell. After what happened to you, I was careful to research it. It's called SWORD, because apparently Americans love their ridiculous names. But it seems like an ideal place for us."

"Us?" Natasha questioned with a raised eyebrow.

"Us." Yelena confirmed, taking a big sip of her drink as she turned to her 'sister' and gave her the 'hard sell', "An organization like that is always looking for people with our skill set to do their dirty work. But I'm not naïve. I know things can go south very quickly, which is why I would like someone to watch my back."

There was a brief pause, and then Natasha asked with a raised eyebrow, "Alexi? Melina?"

"They joined before I did." Yelena admitted, before pointing out, "But we never truly trusted them. Not when they were pretending to be our parents, and certainly not during our last mission together. No, we need someone we can both truly trust to have our backs. We need each other, as it always should've been. Please... Natasha, do not leave me on my own again."

Yelena's voice sounded so soft and vulnerable, but Natasha couldn't afford to trust it, "Are you really trying to try that with a Black Widow?"

"No." Yelena shook her head, "You're supposed to be the best of us, so you should know the difference between fact and fiction."

"Perhaps." Natasha grumbled, "But you are very good."

Yelena glared at her sister for a few long seconds, the woman definitely feeling like a sibling in that moment, before she huffed, "Fine. If you won't do it for me, do it for you. I know you said you were happier in The Avengers, but I truly struggle to see what you add to the team. Even now they're fractured, they're filled with a billionaire, a mind reader, a couple of superhumans, and a God. And if you continue fighting alongside them, you will get hurt. We both know it. It's only a matter of time before something comes for them, that you will not be able to fight. Everyone knows it, but no one has the guts to say it to your face. No one but me. You need to leave The Avengers, Nat. Even if it isn't for me. Hell, take the retirement you wanted for me so badly."

"I can't do that, and you know it..." Natasha admitted softly.

"So you're an Avenger, until it kills you?" Yelena questioned in disbelief, and then when there was a telling silence she finished her drink in one go, and grumbled, "Fine, then we do this the hard way."

With that, Yelena abruptly straddled Natasha and kissed her. It happened so fast that most people wouldn't be able to counter it, but the most famous of The Black Widows was not most people. There was a nanosecond where she could have done something, but she was a little taken aback by Yelena's choice of positions. Besides, given the previous conversation, she was expecting them to fight, and she was willing to let the other assassin land the first strike, to help get this out of her system. What she could have never anticipated, was for her little sister to kiss her right on the lips. Something which stunned the redhead so much, it was several long seconds, or maybe even a full minute, before she pushed the blonde off of her.

"Yelena! What are you doing!" Natasha exclaimed, before pointing out, "I thought you said we were sisters."

"I thought you said we weren't." Yelena argued, before arguing, and we're not. At least not by blood. Although personally, I kind of wish we were. It would make things that much more, fun."

"Oh God." Natasha whispered softly, but also kinda laughed.

"And you must admit..." Yelena continued, "Constantly trying to protect me, holding me close when we were little, and being the only person who truly loved me, are the kind of things which would give a girl ideas."

"That wasn't my intention." Natasha grumbled.

"I know." Yelena shrugged, before quickly pointing out, "But is it that surprising I would develop a crush on you? Given everything we went through when we were younger, and how you... developed? God Natasha, it feels like the whole world wants you, and they don't even know you. But I've seen you at your best, and your worst, and I still do."

There was a brief pause, then Natasha softly said, "That's... flattering, and weird, but-"

"Love is for children? I know, I know..." Yelena said dismissively, "But I'm not talking about love. I'm talking about sex. Everyone knows that 'The Black Widow' loves sex. Just like her... sisters. And just as I know that I wouldn't be the first blonde girl you've fucked. Leading me to the obvious question... when you were with them, were you thinking of me?"

"You wish." Natasha scoffed.

"Yes, I do." Yelena smirked, before adding, "Oh, and I've never been butt fucked. From what I hear, that might seal the deal for you. That, and the fact I would be happy to bang your big booty in return."

Natasha stared at her sister for a few long seconds, downed her drink, and then laughed, "You've done your research, huh?"

"Always." Yelena said, before adding, "Now, where were we. Oh yes, to be clear, this can be a one off, if you want. No strings attached. But, if you follow me to SWORD, we can do this whenever you want. We can do anything you want, while doing it. I can even be your bitch, if you like. Or you can be mine. I don't care, I just want you by my side, so we can try and protect each other. Just like old times."

That certainly didn't sound like a no strings attached offer, but then again, it rarely was when dealing with someone you actually knew. And they could go around, and around, and around arguing they had been drinking, and this was wrong, etc, etc, etc. But honestly? Natasha didn't care about any of that, and they both knew it, meaning that there was no point in fighting it. Not when, again if Natasha was honest, this was something that she wanted too. So regardless of how wrong this was, or what consequences it might have, the redhead put the glass down, and then moved cautiously closer to the blonde. Expecting a kiss, or at least hoping for it, Yelena closed her eyes hopefully, only for her 'sister' to clarify a few things.

"If we were to do this, it would be a one time thing." Natasha said firmly.

"Of course." Yelena beamed, clearly not believing the other woman.

"And you don't tell anyone. Ever." Natasha pushed.

"Maybe." Yelena teased, before rolling her eyes when she got a look from the other Widow, "Okay, yes, fine, whatever."

"And you do everything I say." Natasha said softly, cupping Yelena's cheek in the process.

"God yes..." Yelena eagerly agreed, her eyes darting down to Natasha's lips.

Yelena had always wanted to feel those lips against her own, and while that first kiss had been fun, she couldn't truly relax and enjoy it, given that she knew it would end at any second. As a result, the second kiss was far more enjoyable for her, especially as it was her 'big sister' who initiated it. Oh God, the infamous Natasha Romanoff seem to be searching for another reason not to do this for a few long seconds, before giving up, leaning forward, and pressing their lips together. Compared to the first kiss, this was surprisingly gentle, and even sweet. The kind of kiss Yelena liked to imagine Natasha giving her after sex, not before it. Although it was still very much welcomed, as would any kiss from this amazing woman would be.

Not wanting to push her luck, Yelena allowed that second kiss to be long, slow and sweet. She also allowed herself to become so lost in it she almost didn't notice that they were moving. Almost. But she was aware of it, and, and more importantly, she knew it was a good thing, as they were heading in the direction of Natasha's bedroom. They were even removing their clothes along the way, and their own, which was mostly a good thing, as Yelena wanted them to be naked ASAP. But on the other hand, she also wanted to see Natasha Romanoff stripping for her. Oh well, hopefully she would get her chance another time. For now, she was happy with pinning the other Black Widow down, getting on top of her, and grabbing a handful of those legendary tits.

"Wow..." Yelena murmured softly, before grinning evilly, "Oh Wow! Mmmmmmmmm, these are even better than they look. And I didn't think that was possible."

"You like?" Natasha raised an eyebrow.

"Who doesn't?" Yelena teased, "Mmmmmmmmm yessssssssss, everyone wants a piece of these big tits, sister."

"Well, you first, sister." Natasha narrowed her eyes, then grinned as she flipped them over, "Mmmmmmmmm yessssssssssss, you first."

It was hard to complain about that, considering it involved the infamous Natasha Romanoff grabbing hold of her tits and expertly fondling them, while pressing their lips back together. Especially as that third kiss was exactly what Yelena had always dreamed of. Oh yes, it was hard to imagine how it could be better. Well, she was not allowed to touch Natasha's tits again. Hopefully that would change soon, but for now, her hands were pushed away from that area, and the other Black Widow's equally legendary booty, so the main focus could be on Yelena's tits. Which felt really good, her 'sister' more than living up to her reputation. Hell, for a few moments there, Yelena thought she would cum just from this. Especially when the redhead's lips moved lower.

There was a little attention to her neck first, but Yelena's mind was still dazed from the intense kiss with the woman she liked thinking of as her sibling. And she hoped that not only was Natasha marking her as hers, but she would soon get to return the favour. Because it was true, as far as she was concerned. Oh yes, she already belonged to Natasha, and she wanted to make sure that Natasha belonged to her as well. That's what she wanted. That's what she always wanted. And having the infamous Natasha Romanoff sucking on her tits was definitely a positive sign. But as pleasant as it was, Yelena really, really wanted to switch positions, so she could go after those legendary boobs she had always dreamed about.

Natasha would have loved to claim that this was something that came out of left field for her, and that Yelena was completely alone in her unsisterly feelings towards her. Deep down, she expected Yelena might have a tiny crush on her, but she didn't expect her to try to do something about it. Or that she'd respond like this. But it'd been a while since Natasha had been able to give into this kind of temptation, and technically, it was a temptation like no other. Oh yes, 'The Black Widow' had indulged in all kinds of sexual activity, but to actually fuck her own sister? Or at least, a woman who might as well be her sister? Oh God, that was just too wonderfully wicked to pass up.

Honestly, they hadn't even started yet, and this was the best sex she'd had in a very, very long while. She certainly couldn't remember the last time she was this into foreplay. Then again, Yelena's tits were really underrated. At least compared to hers. Of course, when Yelena flipped them over, Natasha didn't really fight hard to stop her. No, she just laid back, and let her 'sister' copy everything she had just done to her. Oh yes, Yelena went right for Natasha's neck, like she was trying to mark her territory, before moving downwards, more or less doing the same thing with her boobs. Although, instead of starting out slow, and working her way up, the blonde latched onto one of the redhead's nipples, and started sucking it hard right from the start.

She also aggressively flicked her nipples with her tongue, and best of all, dug her teeth into them. Natasha loved that part the best, and Yelena did a commendable job of moving back and forth between those big tits. The little bitch even made sure to give the juicy flesh surrounding the nipples some much-needed attention, first with her lips and then with her hands. Again, just like Natasha had done to her. Which made the most famous Black Widow wonder whether she had taught her sister something? Probably not how to please a woman, but how to please her? Then again, Yelena probably knew her better than anyone, apart from maybe Clint, so it could be simply a series of educated guesses. But either way, it was very much welcomed.

It didn't really matter in that moment, of course. No, the main focus of the Black Widows was giving as good as they got, constantly flipping the other over, so they could take over dishing out the boobs worship, as their hands became more bold. Natasha was one to give Yelena the green light on this by doing it first, namely cupping the other girl's boobs into her mouth, and then grabbing her little sister's big round ass, much to the delight of both sisters. Especially as when the roles were reversed, she got to repay the favour. And it might have even emboldened her not to stop the switching of positions next time, but then actually re-positioning herself, so that her pussy was hovering directly over Natasha's face, AKA, exactly where she wanted her.

"Eat me, sister! Oooooooooooooh yessssssssssssss, eat my pussy." Yelena moaned tauntingly, her Russian accent thick with lust. Then her eyes went wide and she cried out loudly, "Eat my fucking cunt! Ohhhhhhhhhhhhh yeahhhhhhhhhh, show me exactly what the mighty Natasha Romanoff can do with her tongue! Ooooooooooooooh yessssssssssssss, lick me! Ah fuck! AH FUCK! OOOOOOOOOOOOOOHHHHHHHHHHHHHHH YEEEEEEEEEEEEEEEEEEEESSSSSSSSSSSSSSSSSSSS, MMMMMMMMMMMMM FUCK! FUCK! FUCK ME! OHHHHHHHHHHHHHH YEAHHHHHHHHHHHH! FUCK YES, EAT ME! OH GOD, TONGUE MY FUCKING CUNT YOU BITCH! YEAHHHHHHHHHHHH, FUCK ME JUST LIKE THAT! JUST LIKE THAT! OH FUCK YEAH, AAAAAAAAAAAAAAAAAAHHHHHHHHHHHHHH FUCKKKKKKKKKKKKKKKKKKK!"

Yelena initially intended to get right to eating the other Black Widow's pussy at the same time she received the same treatment, or maybe even before, but she just couldn't resist taunting her undercover sibling. Then the infamous Natasha Romanoff actually stuck out her tongue and started licking her pussy, and Yelena just lost it. Especially because, again, at times like this it was easy to forget that Natasha wasn't her sister by blood. Oh yes, in that moment it felt like her big sister really was tonguing her twat, and the combination of that thought, and the act itself, made it hard to think clearly. Sure, she continued speaking, but she wasn't really aware of what she was saying, as it was just swear words and sounds of pleasure.

When she did come to her senses, Yelena hated herself for her weakness. After all, it wasn't like Natasha was even giving her everything she could. Not even close. Sure, occasionally she brushed Yelena's clit, but mostly, the redhead concentrated on giving the blonde long, slow licks, which completely avoided her most sensitive areas. Which was ironic, given that Natasha had been initially hesitant to do this. Then again, was she doing this nice and slowly, because she was hoping to receive the same treatment? Probably. And she would. However, the 'younger sister' couldn't resist the urge to be selfish and wait for it, and thus hopefully annoy the older sister in the process.

Given the expression she could feel against her cunt, Yelena was certain she succeeded, which made this wonderful moment even more satisfying. Which was really, really saying something. Especially given the position they were in. Oh yes, another reason that the far less famous Black Widow hesitated to return the favour. After all, she'd always been taught to fight for the advantage, so much so that she and Natasha often fought each other on sight, not stopping until one of them yielded. Well now it was Yelena literally on top, and Natasha worshiping her cunt with her extremely talented tongue. So really, who wouldn't want to savour such a wonderful treat?

Of course, there was only so long that Yelena could resist returning the favour, considering it just might be the number one thing she wanted to do with her 'fake' sibling. After all, there had always been a rivalry between them, in which they were constantly trying to one up each other, so a 69 would be perfect for that. Fuck yes, they could have sex, and yet be in direct competition with each other again. And despite Natasha having far more experience than she did, Yelena was determined to win. Or at least, get close to matching what the most famous Black Widow did to her. Because oh God, if anything, the stories about Natasha's sexual skills hadn't been doing her justice. Not even close.

Natasha moaned happily from the first taste of pussy, and she was delighted when she heard the same thing from Yelena. More to the point, she felt it. Oh yes, the other woman moaned against her cunt, causing the most wonderful vibrations. Vibrations which were then returned, and then back and forth, as both women thoroughly enjoyed this extremely intimate act. Perhaps the best one for women fucking each other, as it was direct contact, and being able to give as good as they got. Although there was definitely something to be said for the position that Yelena was previously in, and Natasha was tempted to truly return the favour, by flipping them over, and just sitting on the face of her sister. But no, she definitely preferred it this way.

Besides, it was hard to pull her mouth away from that tasty treat. Oh yes, from the second that she tasted Yelena's pussy, Natasha never wanted to pull away from it. No, she wanted to lick it forever. Ideally, just like this, so she could savour all that yummy liquid she was getting from it. And the wonderful sounds for that matter, especially now that they were resulting in vibrations against her cunt. And thankfully, the women who had once been undercover as sisters were for once in total agreement, Yelena seemingly content to give her a nice, long, drawn-out pussy licking right from the start. Well, initially there had been some quick licking, but that had just been so that she could catch up.

From then on, the two Black Widows were locked in mutual pussy licking for what felt like a blissful eternity. God, when they were little, Natasha would have never guessed that Yelena had this in her. And most of the time, she still didn't. Of course, thinking of this woman as a sibling wasn't something that Natasha wanted to concentrate on. Or the fact that if it wasn't for The Red Room, they would've never met. That, in a way, all of the horrors that they had suffered through had led to this. Although it was amusing to imagine what The Red Room, or their 'parents', would think if they could see them now. Well, eventually she pushed those thoughts out of her mind, as she was enjoying it too much, and it was too distracting, but it was less fun at first.

In fact, Natasha couldn't remember the last time she'd had this much fun. And perhaps, she never had. Which made Yelena's offer incredibly enticing. Because even though she didn't want to admit it, her sibling had a point. Natasha was in over her head, and everyone knew it. And it was really tempting just to go back to her old life. That of a spy, simply dealing with collecting Intel, and/or killing one man, or sometimes one woman, instead of an army of them. But then, she had meant what she said before, she was happier than she had ever been. Professionally speaking. And yet, something was missing, and right now, it had never been more clear what that was. Oh yes, the most famous Black Widow was missing someone who could satisfy her in bed, and it seemed that her fellow Widow was a wonderful candidate for that position.

Yelena honestly thought that Natasha joining her in SWORD was a long shot. After all, big sister seemed determined to wash the red from her ledger, not add to it. Ironically, that's exactly what she was doing. Yes, she was doing good, on a large-scale, no less, which probably helped. But she was a small part of a bigger machine, that would function perfectly well without her, and deep down, she had to know that. That as Yelena pointed out, her talents were being wasted, and she could contribute a lot more to SWORD than The Avengers. Not that Yelena truly cared. No, the main reason that Yelena wanted Natasha back in her life, was because she missed her big sister. And she wanted to have everything she had with her before, and a whole lot more.

Given that more, translated into mind-numbing pleasure for both of them, Yelena would gladly kill for it. But she had to face the fact this truly might be a one time thing. Or something that happened occasionally, instead of on a daily basis, like she wanted. Well, more accurately Yelena never wanted it to stop fucking Natasha Romanoff. Hell, in that moment she never wanted to leave this position. No, she wanted them to spend the rest of their days pleasing each other with their tongues. Maybe even without the potential orgasms, as that risked bringing an end to the fun, and that was the last thing she wanted. Besides, there was certainly something to be said for the gentle pussy licking.

That's why Yelena tried to keep this going for longer than ever before. For longer than she would tolerate with anyone else. And to her delight, it seemed Natasha was willing to do the same. So much so, it began to give Yelena hope that Natasha was seriously considering her offer. That the other Black Widow really would join her. That her sister would not abandon her again. Because, such thoughts were childish, and ultimately the other assassin just proved that she was just trying to maximize her own pleasure, and push her limits. Nothing out of the ordinary for them. And honestly, it was hard to complain when she did feel the other girl increased the attention to her clit, prompting her to return the favour.

From there, it didn't take long for the Widows to be locked in another battle for dominance. Namely, to see who could make the other cum first. Which honestly, just might be the fiercest fight of their lives. Which given their track records, was really saying something. It certainly outdid anything they had previously done with each other. And the crazy thing was, it wasn't even outside of their family dynamic. In fact, the way they licked the other's clit with increasing force, and inevitably sucking on it, seemed very them. Which ultimately led to Yelena's downfall, as she felt a wicked mix of crushing defeat, and overwhelming ecstasy, as perhaps inevitably, she was the first to cum, with her only comfort being that the other woman was so much more experience than she was.

Natasha also received overwhelming ecstasy, as she came so soon after it was practically simultaneous. But it wasn't quite simultaneous, which made her orgasm several times more satisfying. After that it was kind of hard to keep track, as Black Widows had been trained to work through distraction when it came to completing their mission. And the only way for them to complete their mission now, was desperately trying to ignore the ecstasy echoing through their bodies, and just focus on making the other woman cum. Something they succeeded doing over and over again, as they relentlessly tongued each other through orgasm after orgasm. Which initially they did on autopilot, as they were just too overwhelmed with the situation.

It was of course, especially overwhelming, given who they were making cum. Their sister. Again, not biologically, but in that moment they may as well have been. Which should have been off-putting, but it was the exact opposite. Oh yes, the fact that she saw Yelena as a sister was driving Natasha crazy, especially in that moment, and she knew for sure it was the same for her 'sister'. Yelena had told her as much. And it was also clear just from how easy it was to make the other girl cum. Well, it was easy for her, but this particularly so. And of course, especially considering how extra yummy this girl's cum was, mostly from the sheer mental high of it.

Thanks to all her years of experience, Natasha was able to at least get the majority of it. Although, a good portion of it ended up on her face, where it would hopefully remain throughout the night, as a twisted reminder of what she had done. And she got even more on her face, and on her fingers, when she swapped her tongue for them. Which she was understandably reluctant to do, as it meant missing out on swallowing so much of that precious liquid. But it was worth it, just to make her sister cum hard and frequently. And hopefully out do her. Which wasn't easy, as Yelena pretty much beat her to shoving the first finger into a pussy, followed by a second, and then wrapping her lips around the other woman's clit.

One thing she was just about able to beat her too, was shoving a finger up her butt. Oh yes, once Natasha's fingers were nice and wet she swapped hands, so the left was still fingering Yelena's cunt, but the fingers on her right hand were working over her baby sister's butt hole. Naturally, just one finger at first, but that combined with everything else was apparently more than enough to make the little bitch cum, which was very promising for the future. Very, very promising. So promising, Natasha couldn't resist pulling away, and retrieving a strap-on. Also, it meant that she could deny Yelena the chance to return the favour. Which in turn, made the blonde adorably pout, and the redhead chuckle wickedly because of it.

"And who says you get to do that first?" Yelena pouted, with a raised eyebrow.

"I do." Natasha said firmly, before pointing out, "And you owe me."

"How do you figure?" Yelena questioned sceptically.

"Other than the obvious?" Natasha shot back, reminding her 'sibling' of their childhood with just a look, and then added, "You seduced me."

"So?" Yelena quipped, "If anything, that means I should be fucking your ass first?"

"But you literally asked for this." Natasha argued, "You were so desperate to be butt fucked by a professional, that you came to your big sister, and begged her to take your anal cherry."

"I don't remember saying it like that, exactly." Yelena grumbled, before sighing, "But, if it means that much to you, you can go first."

"It does." Natasha grinned wickedly, approaching the bed stroking her newly acquired cock, "And look on the bright side, this way we can concentrate on making your first time as good as possible."

"I suppose..." Yelena admitted reluctantly, before cautiously questioning, "So, how do you want me?"

"Let's go for classic doggy." Natasha said, not even having to think about it, "Mmmmmmmmm yeahhhhhhhhhhhh, I want to see my 'sister' bent over, and offering me her ass. Oh, and don't worry about spreading those cheeks. Not yet. No, mmmmmmmmmm, big sister has a special treat for her baby girl first. Make sure your nice and ready for this big cock up your fat ass."

"Whatever." Yelena grumbled under her breath.

Natasha heard that, of course, but she didn't reply, as she was too busy staring at the amazing prize in front of her. Namely, her 'sister' Yelena Belova bent over in front of her, putting that big fat ass of hers on perfect display. At one point she even reached back to spread her cheeks, something that she put a stop to quickly, and hated herself for it. If she didn't, she might have been tempted to go straight to the butt fucking. However, it wouldn't be long before she got the full experience of that again. In the meantime, she concentrated on properly preparing that big, beautiful booty, with a nice long rim job. Oh yes, Natasha got on the bed behind Yelena, grabbed two handfuls of meaty cheeks, and spread them open to get to the real prize.

Admittedly she did spend a few long seconds staring at that prize, but she quickly pushed herself forwards, as she'd wasted more than enough time. Besides, while she knew it wouldn't be as tasty as Yelena's pussy, there was definitely something to be said for salad tossing. Especially when it was the girl who was practically her sister. It also helped that Yelena clearly loved it. Oh yes, the blonde let out a loud cry, followed by several moans and whimpers, as the redhead stuck out her tongue, and slid it over that forbidden hole over and over again. Hell, Natasha moaned too, both from the mental high of it, and even the taste. In fact, her 'sister' just might have the tastiest butt she'd ever tasted, and she had eaten a lot of them in her time.

To be fair, Yelena's butt did look good enough to eat, so that was exactly what Natasha did. Oh yes, the most famous of The Black Widows rimmed her fellow assassin for several long minutes, which kind of felt like blissful hours to her. And probably frustrating hours to the other Widow. But they had both been trained to resist torture, and compared to that, this was nothing. And to her credit, Natasha didn't just spend the entire time sliding her tongue up and down Yelena's ass hole. No, she also swirled her tongue around that cute little pucker, spat on it, and tried to push her tongue inside it, and literally fuck the other girl with it. Something that she made a surprising amount of progress with, especially when she let go of those cheeks, and allowed herself to be suffocated in booty.

In fact, she spent so long pushing about half her tongue in and out of that bitch hole, she was impressed that Yelena didn't beg for more. Especially given that she had been in the same position, and knew just how difficult it was. However, the less famous Black Widow did her 'sister' proud by holding her tongue, and simply making the most wonderful sounds of pleasure. Something she continued doing when Natasha did eventually replace her tongue with a finger, quickly adding a second, given that she knew Yelena could take one no problem. it also provided more pleasure for her. Given the last time she'd done this, the redhead was understandably distracted. Now the only thing on her mind was just how wonderfully tight the blonde's beautiful little bubble butt was.

"Wow..."  Natasha moaned, breaking the silence which had fallen between them. Which she further shattered through those chuckles, "You really are a virgin, aren't you, sister?"

"Only back there." Yelena huffed, "And you doubted me, sister? Really? I would have thought you would have learned better than that by now."

"I should." Natasha admitted dismissively, as she pulled her fingers out of that tight little hole, and then sucked them clean, with a loud moan. Then she quipped, "But I'm really, really glad you weren't lying about saving this big fat ass of yours for big sister, so she can take good care of it, and give it all the love it deserves."

"Again, I don't remember putting it like that." Yelena grinned.

"It was implied." Natasha said dismissively, before smacking those cheeks, and ordering, "And now, I know you're going to be a good girl, and spread your cheeks for big sister, so she can take your anal cherry. Mmmmmmmmmmm yeahhhhhhhhhhh, do it, Yelena. Give me that ass. Oh yes, we both know you desperately want to be as tough as me, well guess what? I've been taking it up the butt for years. Mostly from people who do not know what they were doing. Unlike me, who is the best butt fucker ever. So this should be no big deal for you. That is, if you're nearly as tough as me. Ooooooooooooh yessssssssssssss, that's it, good girl. Good little sister, mmmmmmmmmm, good little butt slut."

Yelena rolled her eyes, and then opened her mouth to say something mocking. However, she quickly had to close that mouth again, and clench her teeth to prevent herself from giving the older woman the satisfaction of hearing her cry out. Not that she could prevent herself from reacting completely, as she quivered with anticipation at the feeling of a cock knocking on her back door. Which was something that she wouldn't tolerate from anyone else. Hell, she hadn't been sure she could go through with something like this, and she still wasn't, regardless of the amazing prize it could result in. Maybe especially because the bitch didn't make it easy on her, because instead of just getting it over with, she held that position for a few long seconds, and bombarded her with more verbal humiliation.

In fact, when the dildo did start pushing forwards, causing Yelena's most private hole to stretch for a dick for the very first time, the deadly assassin actually found herself letting out a soft cry of relief. Which was incredibly embarrassing, considering the older assassin was stretching her ass hole. But of course, no matter how hard she tried, Yelena couldn't prevent herself from reacting as her ass hole stretched wider, and wider, and wider, until the head of the strap-on slid through that back door, and into Yelena's bowels. Which of course made it official. Natasha Romanoff had just taken the anal virginity of her 'sister' Yelena Belova. Something which caused both deadly women to cry out in mostly pleasure, and then the older one just had to gloat about what she had done.

"I did it! I actually did it! I got your cherry! Mmmmmmmmmm yessssssssssss, I got Yelena Belova's anal cherry!" Natasha gleefully gloated, "Oooooooooooh yeahhhhhhhhhhhhh, I, Natasha Romanoff have just taken my 'sister' Yelena Belova's butt cherry! Ohhhhhhhhhhhhh, it's so wrong, so nasty, and so very, very hot. Oh yeah, take it, sister! Take every single inch of this big dick up your ass. Prove that you're just as big an anal whore as big sister! Ooooooooooooh yessssssssssssss, make me proud, Yelena. Make me proud, by taking this dick up your ass. Ohhhhhhhhhhhhh fuck yeah, that's it. Good girl. Mmmmmmmmm fuck, good little butt slut. Ohhhhhhhhhhhhh yeahhhhhhhhhhhh!"

Given that Yelena was completely new to this, it would have probably been better if Natasha gave her a few long seconds to recover from losing her back door cherry. Hell, maybe even a few long minutes. And with anyone else, she probably would have. However, Yelena Belova was a Black Widow, and Natasha at least had the decency not to patronize her. Oh yes, the older sibling knew that the younger one was tougher than the random sluts she had dealt with before, and could take anything that she could give her. Something that the blonde was very, very proud of. Admittedly, she wasn't proud of her reactions, especially not that of her body, but at least it made the experience easier on her.

As this was the first time she was being penetrated back there, Yelena had been expecting nearly unbearable pain, and to be fair, officially losing her ass cherry didn't disappoint. If that was the right term for it. However, what happened directly after that was truly disturbing. She had been suspecting more pain, allowing her to prove just how tough she was, and taking it without complaint. Unfortunately, she couldn't prevent herself from crying out, but that was mostly because she was surprised by her reaction. That being, that she didn't hate this part. Far from it, in fact. Sure, there was some serious discomfort, but she got a thrill out of this twisted act. Especially given exactly who was doing this to her.

Natasha was delighted by this reaction, but she wasn't at all surprised. After all, as she had rightfully pointed out, Yelena Belova had an ass which was clearly made for fucking. Much like her own legendary booty. Oh yes, they might not be related by blood, but ironically, this was one feature that the undercover sisters definitely shared. Which ironically made them arguably more believable as sisters now, then they had been back then. But because of that unique relationship, it made this experience far more intense for both of them. Which likely added to the wonderful sounds Yelena was making, but Natasha was 100% sure that wasn't the only reason. No, her 'sibling' was loving this every bit as much as she had her first time, and was convinced she too would become an anal whore. She would make sure of it.

Of course, she tried to focus on those reactions, so she could ensure that Yelena really would end up like her, but Natasha's main focus in that moment was on the beautiful sight in front of her. After all, this was the kind of thing that she lived for. Namely, another woman bent over in front of her, spreading her cheeks, and surrendering her virgin back door to her. And it was another spy, at that. Oh yes, this deadly woman was actually surrendering to her, and providing the best look at inch after inch of that big dick sliding deep into her slutty little ass hole. Something which was breath-takingly beautiful, as was the heavenly moment that her thighs came to rest against those meaty cheeks, announcing that a Black Widow was once again anally stuffed. Only for once, it wasn't her. And was by another Black Widow.

"You've done well, sister." Natasha chuckled, further taunting Yelena, as she just couldn't resist doing it, "So, so well, to take every inch of this big dick up your butt on your first try. Mmmmmmmmm yessssssssssss, you took it like a good girl. A good little anal whore. My anal whore! That's what you are now, little sister. My little anal loving whore."

"Just like you'll soon be mine." Yelena quipped, albeit weakly.

"Perhaps..." Natasha said dismissively, before grinning wickedly, "If you don't break."

"I won't!" Yelena firmly and defiantly said.

"We shall see." Natasha dismissed again, "But for now, little sister you're mine."

Ensuring she would have the last word Natasha then began curling her hips, and thus causing the dildo to churn Yelena's bowels. Unsurprisingly this caused the other spy to cry out and then whimper, as she tried to get used to this unique experience. Which Natasha couldn't blame her for, given that she had gone through the same thing. In fact, if anything she was very impressed with Yelena. Most women couldn't even talk at this stage, and made noises as if the cock had gone right through their bodies, like they were literally a pig being spitted. But not her undercover baby sister. No, she was just as stubborn as the most famous Black Widow. The only question was, was she simply stubborn to the end, or could she truly survive this without breaking?

Arguably Yelena had survived much worse than a simple ass fucking, but Natasha knew the experience was like no other. It was certainly thrilling to stretch out that shit hole even more, before finally starting to pump her hips back and forth, and thus officially start the sodomy. She ensured that the thrusts were nice and slow, at least at first, to ensure whatever the pain her 'sister' was still feeling would fade away. However, this was no mercy. Not to the likes of them. Because pain they could survive. What might be too much for a Black Widow, was the pleasure which came from such a perverted act. And Yelena very clearly enjoyed it, as in no time at all, she started crying out, whimpering, and even eventually moaning in pleasure.

"See, I knew you would like it." Natasha grinned wickedly, adding almost as an afterthought, but not really, "Sister."

Yelena hadn't doubted for a second that she would not only like it, but love it. The infamous Natasha Romanoff would allow no other outcome to be possible, her legendary skills causing even the most tightest orifice to become an eager little fuck hole, desperate to be pounded. Which was definitely the case with Yelena's ass. Oh yes, for better or for worse, her back door and back passage were easily relaxed, causing whatever pain there had been initially to fade away, and be replaced by pleasure. And even before that, the mental high of doing something so twisted easily got her through the initial stage of the anal violation. Again, especially given exactly who was doing this to her.

Because of this, there was no point in trying to hide her sounds of pleasure. Not with Natasha. She would fail, and fail badly. No, her only option was waiting till a time that her 'sister' might make her cum, and then beg for it as convincingly as she could. Say whatever she had too, so this could be over, and so that she could get a turn with Natasha Romanoff's legendary big booty. And for better or for worse, to cum. Which was something that Yelena found herself increasingly aching for. And yet, she was enjoying herself so much, she almost didn't want to beg for more. Which might turn out to be a big mistake, as she really didn't want to miss out on returning the favour.

"Make me cum, ah fuck, make me fucking cum!" Yelena finally began begging, "Ooooooooooooh fuck me hard and make me cum! Please? Oh please, sister, butt fuck me! Ass fuck me like the other sluts you've butt banged. Like you yourself have been sodomised. Ohhhhhhhhhhhhh yessssssssssss, make me an anal slut. Mmmmmmmmmm, an anal whore, just like you. If you can. Mmmmmmmmmm, just make me cum. Please? Oh my God, ah fuck, aaaaaaaaaaaaaaaahhhhhhhhhhhhhhh fuckkkkkkkkkkkkkkkkkkk, fuck me! Wreck my fucking shit hole! Yeahhhhhhhhhhh, just like that. Give me more! No! I said I wanted more. Please give it to me. Please?"

Annoyingly, her words were ignored, making it clear that Natasha wouldn't settle for anything that simple. And they both knew what she wanted. Hell, Natasha didn't even need to say it. Or smirk for that matter. She did, though, and it had never been more annoying. Something which Yelena promised herself she would do when the roles were reversed. Or better yet, use her words. Yes, that sounded a lot more fun. Especially when big sister pushed the issue, by increasing her pace, just enough that it would bring poor Yelena to the edge of climax, without letting her go over it. Which ultimately forced the blonde to tell the redhead exactly what she wanted to hear while hoping she didn't really mean it. And she managed to stay coherent long enough to get what she felt like she now desperately needed.

"Oh please, oh please, oh plassssssssssssseeeeeeeeeee, make me cum! Make me cum, and make me your bitch!" Yelena begged, saying whatever she had too at this point, "If you can, mmmmmmmmmmm yessssssssssssss, make me your anal whore, if you can, sister. Maybe, oh, maybe I want to be my big sister's butt slut. Ooooooooooooh, maybe. Find out, by making me cum! Ohhhhhhhhhhhhh yeahhhhhhhhhhhhh, break me, bitch!  Break me in, and turn me into your little anal loving bitch, mmmmmmmmmm, who loves it up the ass. Just fuck me, and make me cum! Oh yes, OOOOOOOOOOOOHHHHHHHHHHHHHH YEEEEEEEEEEEEEEEEEESSSSSSSSSSSSSSSSSSS, FUCK ME! FUCK ME HARD! WRECK MY ASS HOLE! RUIN IT! BREAK IT! AAAAAAAAAAAAAAAAAHHHHHHHHHHHHHHHHH FUCKKKKKKKKKKKKKKKKKKKKKK!"

Finally Natasha pushed her over the edge, which pretty much made her incoherent. And if she did say anything, Yelena was barely aware of what was said. But even as she was introduced to the overwhelming ecstasy she received from getting her fat ass destroyed, she kept her eyes on the prize. Namely imagining the legendary Natasha Romanoff bent over, and spreading her cheeks for her, offering up that heavenly booty of hers. She imagined her mentor just like this, cumming like a bitch with a dick up her ass. Oh yes, Yelena was determined to get that. In fact, it was her last coherent thought for quite a while, before she was bombarded by so much ecstasy she could no longer think coherently.

Natasha had tortured people before, and even tortured them with pleasure, so she knew she would've probably pushed Yelena more than she did. Perhaps enough to beyond a shadow of a doubt break the bitch. She may have still achieved that goal, but Natasha had just left enough doubts in her mind that she wasn't sure. Which was something that she may regret later, but honestly, she just wasn't as ruthless as she used to be, even when it came to torturing with pleasure. Besides, there was part of her that would always see Yelena as a sister, which was why she always wanted to take it easy on her. Even when they were doing something so very unsisterly as having anal sex.

The reminder of that fact was very nearly enough to make her cum, but Natasha was just barely able to resist, for now. And she had a lot of close calls like that. Perhaps more than ever before while sodomizing another woman. Which was really saying something, because this was one of her favourite things ever. And when it reached this stage, it was really, really hard for her to control herself. Hell, normally she would wait for as long as she could, then dish out some dirty talk, to push them both over the edge. But not this time. No, she was just too overwhelmed by everything that was happening to even speak. In fact, she couldn't be sure, but she might have tried at one point, and all she could do was let out swear words.

So instead she diverted every ounce of strength she had into delivering what was maybe a literal rectum wrecking, so that if Yelena didn't mean what she said, then this would probably break her. And even if it didn't, it would leave her unable to return the favour tonight. Although ironically, Natasha found herself hoping that would be the case. Oh yes, it had been a while since her ass received a good pounding. And to have her little sister be the one to pound it, now that would be really something. In fact, it was maybe that idea, even more than everything else, which finally sent her over the edge of what was easily the best orgasm she'd had in a very, very long time.

Of course everything else was a big factor, maybe especially the fact that Yelena's ass was almost as big and fat as hers was, meaning that it had a lot of jiggle to it. Oh yes, it jiggled like jelly against her thighs, and the smacking sound was so very satisfying. As was Yelena's screams of pleasure, and the fact that her cum was violently squirting out of her cunt. All those things, and the other end of the dildo hitting her clit, ensured that both Black Widows came over and over again, until they collapsed in a sweaty heap. Which was a little embarrassing for the mighty Natasha Romanoff, but given the circumstances, it should be very understandable that she had lost all sense of self-control, in the name of dishing out the most brutal rectum wrecking possible, and making her little sister cum as hard and as frequently in the process.

There were a few long minutes of silence, and then Yelena softly questioned, "So, can I fuck your ass now?"

Despite herself, Natasha had to laugh, before quipping, "You really think you're worthy of that?"

"Yes." Yelena said with confidence, and without missing a beat.

"Oh really?" Natasha grinned.

"Really." Yelena confirmed with just as much confidence, before pointing out, "Besides, you promised me."

"I did." Natasha admitted softly.

"And you would never go back on a deal such as this, would you sister?" Yelena questioned sceptically.

"No..." Natasha reassured softly, before grinning wickedly, "But I'm not done with you yet."

"Mmmmmmmmm, I was hoping you'd say that." Yelena replied challengingly, a grin crossing her face.

"You can start by spreading your cheeks." Natasha ordered, pulling herself up and away from her undercover sibling, "Mmmmmmmm yessssssssss, show me my handiwork. Sister."

Natasha emphasized her words by smacking Yelena's ass as hard as she could in that moment. Which admittedly was truly pitiful by her standards, but it was more than enough to make the annoying bitch let out a cry of pain. It was clear that she enjoyed it, but it was still satisfying to Natasha. In fact, it may have been especially satisfying because of it. That, and the fact that her 'sister' didn't hesitate to obey her. Oh yes, the blonde lifted her ass, and then positioned it perfectly where the redhead could see it, then slowly reached back to spread those meaty cheeks, and provide the perfect look into Yelena's bowels via the gaping crater which used to be tiny and tight. Virgin tight! Oh yes, it had been virgin tight, and now, it was anything but.

Which was of course something that Natasha savoured for a few long minutes, before grabbing her phone and taking a picture or two. Instantly, she was bought back to memories of filming their American holidays in one day, to sell the idea that they were a real family, and not just Russian spies. Which of course, made this moment so much more satisfying. And twisted. Definitely for the ones that directly followed it, like her 'sister' sucking on her ass flavoured cock. Something which Yelena actually did without needing to be asked. Natasha was unsure whether that was Yelena being a good sub, and anticipating her Dom's commands, or disobedient and going into business for herself. Probably more the latter than the former, but she decided to let it go, at least for now.

Instead, the redhead stroked the long blonde hair before her while providing verbal encouragement, "Yes, mmmmmmmmmm, that's it, sister. Suck it! Suck big sister's cock. Oooooooooooh yessssssssssssss, suck it good. Get every drop of your own butt cream. Ohhhhhhhhhhhh fuck yeah, no training necessary for you, huh? No, not when it comes to sucking a cock. Mmmmmmmmmm yeahhhhhhhhhhhh, you must've already had a lot of practice. Oh yes, you have a lot of practice when it comes to this, while you're a natural at eating pussy, and ass to mouth. Oh yes, mmmmmmmmm, but you could maybe do with more anal training. Yesssssssssss, you could use more time taking it up the butt. And don't worry, I'll make sure you get it. Mmmmmmmmm yehhhhhhhhhhh, but for now, just concentrate on taking big sister's big dick deep down your whore throat, like the cock sucker you are."

Unsurprisingly Yelena opened her eyes and glared up at Natasha a few times during that little speech. What was surprising was the fact that the little bitch didn't pull her mouth away from that dildo, not even for a second. No, she waited to get her revenge after the task at hand, which was a little worrying, all things considered. Although Natasha couldn't blame her 'sibling', given she loved ass to mouth. And clearly so did Yelena, given the way she immediately moaned happily at the taste of her own butt, and then just continued moaning during this long, drawn-out blow job. Sure, she did struggle towards the end, but eventually she would get every inch down her throat, and thus got every drop of ass cream, just like she'd been ordered too.

That was the answer, of course. Yelena had been given an order, and she just didn't have it in her disobey it. God, she even continued bobbing her head up and down that shaft after the fact, making sure she got every drop of that ass cream, and just put on a good show for her top. Which made Natasha really wish the little bitch had agreed to be her little bitch, because Yelena really did have potential to be a great bottom. However, for better or for worse, her undercover sister then effortlessly undid the harness, and strapped it around her own waist in one fluid motion. She even kissed Natasha right on the mouth while doing it. Which was a pretty transparent distraction, but to her shame, it worked, and the two Black Widows became completely lost in the redhead tasting the blonde's butt on the blonde's lips.

Which seemed to last an eternity, Yelena needing a second to catch her breath afterwards, before smacking Natasha's big fat butt, and ordering, "Bend over bitch, and give me that ass!"

"Fine." Natasha said, adding with a grumble as she did as she was told, "But you better rim me good, first."

"Oh believe me, that won't be a problem..." Yelena said softly, as she stared at the prize in front of her, "Mmmmmmmmm, no problem at all."

"I'm sure." Natasha grumbled, before encouraging, "So do it! Rim me! Eat big sister's butt like the whore you are, Yelena! Ooooooooooh yessssssssss, fucking eat it, bitch! Fucking eat my ass! That big booty that you love fucking much! That everyone loves! Especially my slutty little sister, apparently. Oh yeah, she fucking loves! Oh fuck! Oh sister, mmmmmmmmm, are you really going toooooooo, OH FUCK! Fuck yes. ohhhhhhhhhhhh yeahhhhhhhhhhhhh, that's it! Ah fuck! Mmmmmmmmm, fuck yeah, eat it good! Oooooooooooooooohhhhhhhhhhhhh Goooooooooooooooddddddddddddd yeeeeeeeeeeeeeeeesssssssssssss, eat it, and become my butt munching little slut!"

Yelena had always thought Natasha was beautiful, but she had truly blossomed in later life, with curves which had become legendary. This was arguably the best part, her big fat booty, which in this moment was all hers. Something that Yelena plan to take full advantage of, first by just staring lovingly at her prize, then closing the distance between them, and burying her face in between the cheeks. She didn't even bother licking it first. No, instead she just chose to rub her face in that big fat ass, suffocating herself with the most heavenly bottom she had ever had the privilege of seeing. And now, had the privilege of feeling it against her face. And all of the things that she would do to it next.

Part of her wanted to shove her cock in it straightaway, and see if the most famous Black Widow could take that kind of abuse, or whether she really was a poser. Something she promised herself she would do in the future, but for now, she fully intended to savour every moment of this. Besides, she had promised to give her 'sister' a rim job, which just happened to be one of the things that she most wanted to do to this big booty. So as much as she thoroughly enjoyed every moment of motor-boating that bottom, eventually she stuck out her tongue, and slid it up Natasha's butt crack in one long, slow lick. Which was a process she then repeated over and over again, narrowly avoiding the other woman's cunt each time, so she could concentrate on teasing her back door.

Sooner rather than later she started focusing on that back door, although it was still quite some time before she did more than simply slide her tongue over it, or spread those cheeks so she could breathe properly, meaning that her entire world became Natasha Romanoff's legendary fat ass. Because of that, the redhead's initial moans of pleasure eventually started to include noticeable sounds of annoyance and frustration. Which honestly, felt like a triumph to Yelena. The Black Widows were trained to keep their cards close to their vest, and here was supposedly the best of them, giving away their true feelings. Or more accurately, having them forced out of her by the superior spy.

However, once she actually had that victory, Yelena was quick to give Natasha what she wanted. Maybe she should have gone for longer, to see if she could make her beg for it. But that would come later, when her cock was deep in this fat ass. In that moment, Yelena needed more, just as much as Natasha did. So she started swirling her tongue around that forbidden hole, and even pushing inside it. Oh God, she effortlessly got the entire length of her tongue up the whore hole her 'sister' called her ass hole. Well, maybe effortlessly was too much of a strong word, but it was easy enough to suggest this hole had been previously fucked by something much, much bigger than simply a tongue. And after a few more long minutes of ravenous butt munching, that's exactly what it got.

"Oooooooooooooh fuck, what a slutty little whore hole!" Yelena moaned with delight when she finally pulled her tongue out of that fat bottom, mostly because she immediately replaced her tongue with a finger, "No, mmmmmmmmmm, I bet there are whores who are tighter than this. And yet, with an ass like this, I don't think you're loose enough. Yeahhhhhhhhhhh, you should be so loose back here, it's like a hot dog in a fucking corridor. That's what Natasha Romanoff deserves, for having an ass this perfect. This big, fat, and fucking perfect. And that's what she's going to get. Ohhhhhhhhhhhhh yessssssssssss, I promise you, sister, you will never be this tight again, ha ha ha ha!"

"Are you going to fuck me, not?" Natasha grumbled.

"I'm I going to fuck what?" Yelena teased.

"My ass." Natasha groaned, before crying out as her 'sister' roughly smacked that ass.

"Your big fat ass!" Yelena pushed.

"My big fat ass!" Natasha obediently parroted, just wanting to get this over with, and a cock up her butt.

"Then spread your cheeks, sister." Yelena chuckled wickedly, "Show me just how much you want it."

"Fine." Natasha grumbled, doing as she was told.

Natasha also rolled her eyes as she slowly reached back, grabbed two handfuls of meaty cheeks and spread them nice and wide. Which for better or for worse, was always thrilling in a really twisted way, and it had never been more twisted than in this moment, given she was presenting her most private area to her sister, so that sister could anally defile her. Oh God, even though they weren't really related this should disgust Natasha, and yet, she wasn't sure she'd ever been more turned on. Which was a feeling that she was unsurprisingly left to wallow in as Yelena just admired her prize for a few long seconds, and then again, once she pressed the tip of her dick against the older woman's butt hole.

"I've been waiting my entire life for this." Yelena growled in a heavier version of her Russian accent, as she finally pushed forwards.

"You've made that clear." Natasha grumbled, before cussing loudly as her ass hole began to stretch for the invading object.

It then kept stretching, and stretching, and stretching, until the head of the strap-on slid through Natasha's back door and into her back passage, causing The Avenger to cry out in a mixture of pain and pleasure as she was anally violated by a woman who might as well be related to her. And she clearly enjoyed it, from the sounds she had made. Something she felt for sure that Yelena would mock her for, but apparently she was just too lost in the moment for that. Initially Natasha was the same way, although that change the longer she had to wait for Yelena to follow through on the promise to ass fuck her. Ideally after every inch of that cock had been shoved up her slutty little butt. Or yes, big fat slutty booty. Oh yes, she only had the tip inside of her, and right now, that wasn't enough for the anal whore which had been awakened inside of her.

Poor Natasha got dangerously close to begging for the rest of that dick, if only so Yelena could provide her with the kind of verbal humiliation, which she actually enjoyed receiving at a time like this. But for better or for worse, when she finally opened her mouth, the only thing which came out of it was a loud cry of pleasure, as Yelena started pushing forwards. She did so as slowly as possible, but honestly, in that moment, that seemed like a very, very good thing. Oh yes, it allowed Natasha to savour every moment of getting her cock hungry booty fed, the dangerous assassin closing her eyes and becoming truly lost in one of her favourite sensations ever. Well, her Red Room training insisted that she maintain some small amount of awareness, but that had never been more minimum, as she trusted that her sister would make sure they weren't disturbed.

Which had happened only a handful of times, and thankfully, the ones living to tell the tale were her lovers. Thankfully, most of the time, when she was interrupted in bed, she was the one on top, and it wasn't her who had to fight with a gaping ass hole, and/or with cum covering her face. Although now she vividly remembered a time she had to go through that humiliation. Mostly because Maria Hill never let her forget it. Something which Natasha would have made her pay for a long time ago, if the woman wasn't so good at making her cum. Including that time they had been interrupted. And while Natasha wasn't truly interested in a repeat performance, in that moment, she did wonder if the humiliation would be worth it.

Yelena hadn't thought anything could be better than cumming with a dick in her ass, especially given that it had been her 'sister' Natasha Romanoff taking her anal cherry and introducing her to the joys of butt sex. However, fucking Natasha Romanoff's big fat ass had been her most forbidden fantasy, and it easily lived up to the hype, and then some. Oh yes, Yelena couldn't get enough of watching inch after inch of her big dick disappearing into what was the ultimate forbidden hole for her. Especially as her undercover sister made it perfect by continuing to spread her cheeks throughout this entire experience. Which not only gave her the best look possible at the butt stuffing, but also had the added benefit of the most famous Black Widow literally surrendering her most private hole to her.

Admittedly, her achievements paled in comparison to that of her big sister's, and certainly The Avengers, but Yelena felt like she was more powerful than all of them combined when she anally penetrated the infamous Natasha Romanoff. And that definitely continued to be the case as she filled that legendary booty with cock. It was a pure heaven she never wanted to end, and yet, when it did, it was a whole new heaven. Oh yes, eventually she just had no more strap-on to feed that cock starving bottom's cock starving bottom, and her thighs came to rest against those giant butt cheeks, announcing the full length of her big dick was buried as deep as it could go into the other deadly woman's bowels. Which was a fact that Yelena savoured for a few long seconds, before finally gloating about it.

"Every inch, mmmmmmmmm, that's every inch of your little sister's cock in your big fat ass!" Yelena gleefully gloated, "Ha ha ha ha, your ass is mine now, sister. All mine! Oh God, I've dreamed of this for so long, and it's even better than I imagined. Ooooooooooooh yesssssssssss, your slutty little shit hole just took it so easy. I'm still going to stretch you out, though. Ohhhhhhhhhhhh yeahhhhhhhhhh, I'm going to ruin your big fat ass. And you're gonna love it, aren't you, you anal whore? Yeah you are, ooooooooooooooohhhhhhhhhhhhh fuckkkkkkkkkkkkkkkkk yeahhhhhhhhhhhhhhh, take it bitch! Fucking take it like the anal bitch you are! My anal bitch! Ah fuck yeah, take it!"

Unsurprisingly her dear sister had nothing to say in response, other than continuous sounds of enjoyment when Yelena started churning her hips around in a circular motion, and thus stretching out Natasha's bowels, even more than before, which was really saying something. Which would've made any woman cry out in agony, but not THE Natasha Romanoff. Oh yes, this big booty bitch had to be the biggest anal whore ever. Which was solidified by first those initial movements, then when she started pumping her hips back and forth, and thus causing the strap-on to slide in and out of the older woman's most private hole, and thus officially beginning the sodomy.

The most famous Black Widow of them all was getting butt fucked by her! Butt fucked by her baby sister. Yes, they were not flesh and blood, but in that moment, they may as well have been. And Yelena loved every part of it. Especially, as she felt like she could almost cum, just from the overwhelming mental high she was currently on. Both from the thoughts echoing through her head, and through the sheer perfection which was THE Natasha Romanoff still bent over in front of her, spreading her cheeks, and giving her the best view of that dildo pumping in and out of her ass hole. And for better or for worse, she got closer to it when she started taunting her again.

"That's right, sister, mmmmmmmmm, moan for me. Moan, as I fuck you in the ass." Yelena moaned with delight, as she pushed Natasha's hands away from her cheeks and replaced them with her own, so she could emphasize her words with the occasional smack to that big booty, "Oooooooooooh yessssssssss, moan just like that. Mmmmmmmmm yeahhhhhhhhhhh, prove just how much of an anal whore The Black widow of The Avengers really is. Ohhhhhhhhhhh fuck yeah, moan like the butt slut you are, while I fuck this made for fucking ass of yours. This big fat booty that was made to jiggle like jelly, while your slutty little fuck holes are being used for their intended purpose. While you are being used for your intended purpose. Oh yes, that's it, moan! Fucking moan, oooooooooooooohhhhhhhhhhhh fuckkkkkkkkkkkkkkkk yeeeeeeeeeeeeessssssssssssssss, fucking moan for me!"

Natasha wished she could claim that the reason she wasn't responding, was that she was simply letting Yelena enjoy every moment of triumph, either out of genuine affection for her, or better yet, she was simply biding her time and luring her opponent into a false sense of security. The latter was one of her favourite moves, after all. So it wasn't out of the realm of possibility, and they both knew it. But to her shame, the truth was she was just lost in the moment herself. Lost in the heaven of getting her ass stretched and filled with big dick, and then more importantly fucked by that big dick. Which was pretty much her favourite thing ever, at least when it came to bottoming, and right now it was even more intense, given exactly who was doing this to her.

In fact, Natasha found herself desperately trying to ignore that fact, and imagine she was with anyone else in the past who had done this to her, just because it was so overwhelming. Which was something she was normally good at doing, but in this example, she just couldn't stop thinking about how it was her little sister, who was sodomizing her, totally dominating her in the process. Oh God, she was sure she had never felt a combination of mental and physical pleasure quite as powerful as this before. And that was true even when she had the pain of her rectum being stretched. But when the pain faded away, and it was replaced by pure pleasure, it became literally torturous. Deliciously so.

Which made Natasha glad that she had double checked she and Yelena weren't really related, as to her shame she would've enjoyed that even more. Although maybe she needed to triple check, because her 'sister' was proving to be every bit the butt fucker that Natasha was. Maybe even more so, given that as far as she was aware, the other girl had a lot less practice at this than she did. Probably a significant amount less. And yet, perhaps in record time, the most famous Black Widow felt the need to cum. To her credit, she held back on that urge for as long as she possibly could. Just as to Yelena's credit, she was able to be patient, and wait until her big sister gave her what she wanted.

Namely, Natasha begging for more, "More, mmmmmmmmmmm, give me more! Fuck my ass, Yelena! Fuck it as hard as you can, and make me your bitch! Yesssssssssssss, just try it, little girl. Thousands have. Ooooooooooooooh yessssssssssssss, thousands have tried to make me their bitch, and they have all failed. And you will be no different. So do your worst, sister. Aaaaaaaaaaahhhhhhhhhhh yeahhhhhhhhhhhhhhh, give me everything you've got! Ohhhhhhhhhhhhhhhhh yeahhhhhhhhhhhhhh, so good, soooooooooooooo goooooooooooodddddddddddd, ah fuck! Wreck me! Ruin my fucking ass! Just please, make me cum! Ah fuck, AAAAAAAAAAAAAAAAAAHHHHHHHHHHHHHHHHHH FUCKKKKKKKKKKKKKKKKKKKKK YEEEEEEEEEEEEEEEEEEEEEESSSSSSSSSSSSSSSSSSSS, OOOOOOOOOOOOOOHHHHHHHHHHHHHHHHH GOOOOOOOOOOOOODDDDDDDDDDDDDDDD!"

Either because of Yelena's inexperience, or because Natasha had been able to wait for so long, or more likely a combination of both, the most famous Black Widow got exactly what she wanted. Almost immediately. Namely, the other Black Widow increasing the pace, until she was using every ounce of her strength to brutalize that poor little butt hole. Of course, well trained anal whore that she was, Natasha came long before that. In fact, because of her training, and because her ass was just that slutty, she was soon cumming so hard and frequently, that she lost the ability to think coherently. Which admittedly, had something to do with Yelena proving herself every bit the butt fucker her sister was, and using her sister's butt to do it.

Yelena had really wanted to taunt Natasha some more, but if she did, she would cum for sure, and that would be the beginning of the end of what was pure heaven as far as she was concerned. Oh yes, anally dominating the most famous Black Widow, The Avengers' Black widow, her big sister Natasha Romanoff was everything she'd imagined it to be, and so much more. After all, nothing could have prepared her for the feeling of those meaty cheeks jiggling against her thighs. Or the sight of them. Or being able to make this goddess of a woman cum for her. Cum like a bitch with a dick in her ass. That big fat ass, which was meant to be fucked. Oh yes, this was heaven, or at least as close to it as she would ever get, and she desperately wanted it to last forever.

Sadly, while she put every ounce of her abilities into this, she was no God or Mutant. Hell, she didn't even have any tech to help her. All she had was years of training, increasing her stamina, speed and strength. And more importantly, a powerful lust for Natasha Romanoff. Which was enough to stop her from cumming for an impressively long time, and truly give her a memory she would cherish for the rest of her existence. Would it be enough to break the mighty Natasha Romanoff? Probably not. And honestly, Yelena hoped not, as she wanted her sister to get her revenge on her. Of course, that didn't mean she didn't try. No, she gave it her all, and when it had to end, she made sure it did so in style.


Those words combined with the other end of the dildo hitting her clit, those jiggling cheeks, and the sheer joy of having Natasha Romanoff bent over in front of her and taking a brutal pounding in her legendary big bottom was more than enough to give Yelena the most satisfying climax of her life. Something which almost made her stop what she was doing. Almost. Thankfully her training prevented that disaster, and instead, she continued fucking that big fat ass through multiple orgasms for them both. At which point, both The Black Widows truly became like wild animals, brutally pounding their hips back and forth, like they were both literally trying to ruin Natasha's rectum. Which in that moment, seemed like a small price to pay for this pleasure.

Along the way, Natasha collapsed face down and ass up, truly becoming nothing but a fuck hole for Yelena to use for their mutual pleasure. Although, in that moment, it was impossible to tell whether that she was genuinely exhausted, or this was a strategic move, so she would have energy left to return the favour. It didn't really matter though, because at that point Yelena was too far gone to care about strategy. Oh yes, all she cared about was pleasure. So the next thing she was really aware of was lying on Natasha's back, both of them lying in a sweaty heap after what they had done. Something which the blonde savoured for a few long minutes, before pressing one lingering kiss to the redhead's shoulder, then lifted herself up to look at her handiwork, grinning as the dildo came out of the other girl's butt hole with an obscene sound, leaving a gaping crater in it's wake.

"Cool." Yelena said after a few long seconds of staring at her handiwork, then she dropped down onto her back, pointed at her weapon of ass destruction, and ordered, "Now suck it! Mmmmmmmmmm, suck your slutty little ass off of my big dick, big sister. Oooooooooooooh yessssssssssss, it's only fair. Oh yes, I sucked yours, so you suck mine."

"You're right." Natasha grumbled, while looking up into Yelena's eyes, "It is only fair."

Natasha allowed those words too hang in the air for a few long seconds, allowing the other Widow to wonder what she was going to do, before ultimately, doing what was expected. Namely, wrapping her lips around the dildo which had just pummelled the deepest part of her bowels, and then moaning happily at the taste of her own ass. Which if she was being honest with herself, was one of her favourite flavours ever. Although she was looking forward to getting a taste of Yelena's ass, and giving Yelena a taste of hers. Oh yes, she may have failed to break the other Black Widow, but the reverse was now true, meaning that moving forward, things were about to get very interesting.

Of course, she initially put that out of her mind, so she could concentrate on bobbing her head up and down that big strap-on dildo. The one that had been in the deepest part of both the asses of The Black Widows. Sadly, Natasha could only taste one ass, at least at the moment, but there was quite the initial mental high to it. When she lingered on while initially savouring the taste on the tip of the cock. Then, she concentrated on taking more of it, ravenously sucking up everything it had to offer. Which included later on, when she took the dick effortlessly down her throat, and once she cleaned every inch. She then just kept sucking, as she was serenaded with wonderful words from her so-called sister.

"Ooooooooooooh yesssssssssssss, that's it, dear sister, suck my cock!" Yelena gleefully encouraged, while stroking the beautiful red hair in front of her, "Mmmmmmmmm yesssssssss, make sure you get every drop of your own butt cream, like the filthy little ass to mouth whore you are! Ohhhhhhhhhhhhhhh fuck yes, thanks to you, the name of The Black Widow is synonymous with a love for her own ass cream, after she gets her big fat ass wrecked by a superior woman. And today, I'm that woman. Oh yes, I'm the superior woman, and you are my ATM loving bitch. Oh yes, ooooooooooooh yesssssssssssss, fucking deep throat me. Take every inch of that cock, and get every drop! Fuckkkkkkkkkkkkkkkkk yeahhhhhhhhhhhhhhhh, oooooooooooooohhhhhhhhhhhhhh Goooooooooooooodddddddddddddddd!"

Then all of a sudden Natasha was pulled up into a passionate kiss. Not that she was complaining. No, she very much loved the fact that Yelena was getting to taste her ass on her lips and tongue. Just as the reverse had been true. And hopefully that would be the case again, and again. And honestly, she just loved kissing Yelena. Kissing her sister, and wallowing in the depravity of it all while doing so. Although at least for those moments, it didn't feel sick or wrong, or like they were breaking a taboo anymore. In fact, it almost felt normal. Loving, even. Just two lovers, enjoying the afterglow of their love making, by kissing and caressing each other.

"So, are you my bitch?" Yelena asked cheekily a short time later.

"No, you? Natasha shot back challengingly.

"No." Yelena said dismissively, before grinning wickedly, "I guess that means we have our work cut out for us?"

"Oh yes." Natasha happily agreed, before kissing her sister again.

And so, they spent the rest of the night going back and forth, taking turns topping each other, with short rest periods in between. God, Natasha had been blessed to have many lovers with a lot of stamina before, but this really does suggest that she should have bedded another Black Widow long before this. And maybe she would do it again. In fact, maybe she would track down every single living Black Widow, and fuck them all. Then again, it was unlikely anyone would be nearly as enthusiastic about it as Yelena Belova. Besides, there was definitely something to be said for keeping this just between the two sisters, who had always had a friendly rivalry, but whenever it was Black Widow vs Black Widow, things were so much more intense.

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