It's been a long day and you had to work late at your shitty dead end job at the department store, "hopefully I didn't make my girlfriend wait too long" you think to yourself

You hear a loud thumping from inside the dorm that gives you a brief worrisome pause, shaking off your trepidation you unlock the door, however nothing could have prepared you for what you see unfolding before your eyes.

There on the floor, bent over is your girlfriend Kaori, your sister balls deep inside of her and leveraging herself deeper using your girlfriends forearms to pull her back "Oh shit, you're home early, I thought I asked your boss to hold you late today so I could fuck your girls brains out. I mean, can you believe she's never had an orgasm before? You really ought to step it up with some toys when you got a pecker that small, shrimp." Each scathing word is punctuated by a deafening moan as Sayaka thrusts deep into Kaori, punching her cervix and distending her stomach, precum flowing from her cockslit and mixing with Kaori's fluids before splattering to the ground as they spray from her abused cunt. "Holy shit... dude are you hard right now?" Sayaka chides, snickering as she eyes the tiny tent you are pitching. "Bro, just take a video it'll last longer. Besides, she's never gonna settle for a shrimp dick like you after I'm done stretchin' her out." Sayaka continues railing Kaori mercilessly, the slaps of her hips echoing in the room, clearly not intent to stop until Kaori is filled and bloated heavily with her seed

You grit your teeth in frustration and arousal, trying to ignore the feelings of helplessness as you watch Sayaka fucking Kaori senseless with her massive futanari cock. You can't tear your eyes away from the sight of your sister abusing your girlfriend while demeaning your manhood, knowing that she intends to take what is rightfully yours.

"Hnnngh... fuck!" Kaori moans loudly as Sayaka continues her relentless pounding. Her hips buck against the bed in time with each powerful thrust, desperate for release from the intense pleasure-pain coursing through her body. "You feel so good, Saya... I never knew..." she trails off into a gasp as Sayaka roughly slaps her ass, driving herself deeper inside of Kaori.

"Fuck that's it, let me hear you beg for my cum!" Sayaka grunts as she holds Kaori's hips tightly, beginning to thrust harder and faster. The bed shakes violently beneath them as the futanari's massive cock slams in and out of Kaori's well-used pussy at an impossible speed. "I can feel it building inside you, you pathetic little cunt," Sayaka teases before abruptly pulling out and aiming her engorged cock at Kaori's face, jetting a thick rope of sticky jizz directly into Kaori's waiting mouth.

The hot cum pours down her throat as she gags reflexively, tears streaming from her eyes. She continues to suck frantically, desperate for relief from the immense pleasure coursing through her body. "I never thought you could feel like this...

You bite your tongue, anger and arousal coursing through your veins as you continue filming the debauchery before you. Your fists clench and unclench at your sides, helpless to do anything but watch as Sayaka takes what was once yours. Kaori moans and squirms beneath her sister's relentless assault, clearly enjoying herself even as she is verbally humiliated.

"That's right, baby girl," Sayaka growls into her ear, "You like this big cock, don't you? Huh?" She thrusts deeper, hilt-deep inside of Kaori, forcing a pained grunt from her lips. "And after I'm done making you mine, who do you think is going to be there for you, hmm?" Sayaka taunts, slapping Kaori's ass in time with her thrusts.

Kaori whimpers, still unable to form words past the primal moans and gasps as Sayaka's massive cock continues its brutal invasion of her body. She can feel herself about to reach climax again, helplessly arching her back off the bed as she's brought ever closer by Sayaka's expert touch. "After..." she manages to croak out between gasps, "You... finish with me?"

Sayaka snorts derisively, thrusting hard enough that Kaori's head is slammed back against the bed, "Oh please, you think I'm just going to give you back to your little tin soldier after this? No fucking way. Once I claim something, it's mine." Her nails dig into Kaori's hips as she grinds her hips harder, the sound of flesh slapping against flesh filling the room. "I'

Kaori moans, unable to resist the intense pleasure overwhelming her as Sayaka takes full control of her body and senses. The thought of never having another man fill her again is almost too much to bear but she can't bring herself to care right now, lost in the heat of the moment.

Her hands grab fistfuls of Sayaka's hair, pulling her head back as her hips arch off the bed in a desperate attempt to get closer to the futanari's thrusting cock. "I-Is that what you want?" she pants, her voice raw from all the moans and gasps. "To keep me... for yourself?"

A guttural growl is the only response as Sayaka snaps forward again, impaling Kaori on her monstrous cock with brutal force. The sensation of being stretched so impossibly tight around Sayaka'