On the bed now!

"Get rid of those clothes and get on the bed faggot, I want you ass up and face down." Jessica commands from above

You obey, getting up and ridding your clothes in front of her while she watches you, her shit eating grin still on her face pleased by what she sees and what she is finally about to do to you. Her California queen sized bed stands tall and takes a little effort for you to get up on but you grab onto her pink frilly comforter and pull yourself up before hiding your face in her pillow and raising you butt high in the air. The air blows onto your naked and smooth hairless ass the cold air causes your butthole to clench slightly, Jessica seems to notice.

"Bet you can't wait for me to destroy your ass huh little brother, your anus is throbbing in anticipation to be fucked like the little cum dump you are and were always meant to be. Well don't worry I've waited a long time to get to finally take you, you've always been mine but today I finally get to claim you once and for all. I can't wait to see the look on mom and Zoe's face when they see I got to you first and they'll never have you."

To afraid and nervous, you just stay in your position and quietly muffle tears in the pillow. Then you feel a heavy slab of meat flop onto your back, its warm and still flaccid but it must be 12 inches still. The heat irradiating from her cock warms your lower back and down the ass crack between your cheeks, you can feel her getting harder by the second growing and stiffening on top of you as she moves her hips back and fourth in between your ass cheeks hotdogging you.

"Yeah your a popper bitch, you need a good fucking don't you?" she moans, her cock now fully erect slides back and fourth sawing your ass in half, the heat is immense and the sheer weight and girth of it makes your heart drop.

A hot thick liquid almost like wax drops down onto your back and smothers your ass crack, the heat almost hurts your naked flesh it's so hot. Your butthole again tightens and clenches feeling the newly formed liquid coating it, her cock is so massive from what you feel what's going on behind you, you doubt she will even be able to hit the head into your puckered asshole. "There is no way this thing will fit, no way. It's to massive she will rip me in half if she manages to get it inside of me, there is no way I can take her cock." you think to yourself the ball of fear dropping in your stomach at the thought.

"Oh fuck yeah, are you ready for your big sisters cock little brother? Are you ready to take your masters giant cock in your little asshole, you won't be able to be with any other girl but me after I get to work in your guts, you'll be to loose for anyone else but me. I'll mold you into my cock sleeve, you will wrap around me perfectly so much so that you'll beg for me to fill the empty void inside of you that no one else could feel." She says as you feel her hands grab your hips and her cock slide all the way down your back before her cock head is poised right at your puckered throbbing asshole.

"Jessica, please..." you manage to mumble out with tears filling your eyes before your words are caught in your throat

Her cock presses down onto your butthole with so much strength it hurts even with all the hot precum lubing you, the battle between your ring and her absurdly large cock begins, but it doesn't last long as the shear weight and power her and her cock easily overpower whatever resistance your ass tries to put up and her cock breaks through into your ass just the head and a few inches though, but it's enough to make you scream in pain and agony as your butthole is ripped open further than it should ever be.

"Yessss, take it bitch! I love when I first break into a boy! Now take it all! You little bitch! take my massive dick!" She cries out in ecstasy pushing her meat slag deeper into you inch by inch

Her cock slides deeper into you, into the depths of your intestines, you can only imagine what her enormous dick looks like snaking into you ass. It felt like it would never end as she pushed more and more into you, you were in so much pain you couldn't even cry out anymore all noise was lost in your throat you could only soundlessly sob into the pillow smashed onto your face as she pushed harder and deeper into you. Finally after what seems like a life time her hips met your bubbly red ass cheeks the slap of her balls onto yours signalling she was all the way in. You couldn't believe her whole dick fit into you, she was absurdly large even for normal futanari standards she puts any girl you had seen or heard stories about to shame. You had always heard her cock was massive 20 inches some would say but now that it's inside of you it feels even larger your unsure, all you know is your ass is tightly clenching her cock trying to push out the foreign invader but it's just giving her more pleasure doing so.

"Wow, you actually took all of my cock." She says shocked breathing slightly heavy "No guy has ever been able to take my whole cock they usually don't even get close the first time especially. You know I was right Marcus you were born to be my cum dumpster, my cock sleeve, you were made to pleasure me and my gigantic cock. You have always wanted this, to be my property, for me to use you like a toy, my little plaything, admit it."

"......" nothing comes from you but some whimpering and random noises lost in your throat.

"Shut up bitch, I'm about to destroy this perfect ass of yours, or should I say my perfect ass, remember you are mine you dirty whore."

Jessica then draws her hips back pulling most of her cock out leaving you empty and gaping before slamming back down into you all the way to the hilt of her dick, she performs this over and over withdrawing most of her cock and slamming down into you wither all her weight and strength, her balls loudly spank you as she thrust each time, you whimper and moan in pain. The **** on your ass continues but after a while she only takes out half her cock before slamming down into you over and over each time sending a shock of pain and pleasure all throughout your body. She is hitting the deepest parts of your ass that you could have never imagined would be fucked, she was right you never will be able to be with another girl you think to yourself, her cock is the only cock that can reach this deep into you, to make you fill this full, her cock is the only cock for you, no other cock will do only hers, only your big sisters big dick can make you feel this way you realize. Jessica's cock burns and plows deep within your ass molding it into her personal cock sleeve only she can use, only she can have, she is making you hers, fucking you so hard you will forget about any other cock or girl you have ever known. Her thrust begin to slow down as she slow fucks you now, just barley pulling back and no longer slamming down but gently massaging your prostate, it's enough to make your rock hard dick explode down onto her bed.

Jessica leans down still slowly fucking you, "You love this don't you, I felt you cum just now, your ass gripped me so tightly when you did I nearly busted right there. We'll talk about me letting you cum after this but for now I am going to finish making this ass mine, get ready my little bitch, I'm gonna wreck your sissy ass."

Suddenly you are caught off guard and the slow fucking stop and her hands grip you hips harder than ever tearing at your flesh, now an ongoing onslaught of fast short thrust go into you, her cock positioning in and out like a machine. Jessica keeps up the stream of verbal **** and loud moans of pleasure as she rams into you over and over fucking you fast and hard with short strokes, you are moaning with her as she fucks your brains out. After about 20 minutes of her ripping deep into your stomach you start to feel her cock throb inside you, hot as fire pulsating inside of you, before she slams down her hips meeting your cheeks and her balls slapping into yours for the last time. Her cock erupts inside of you, the hot magma of cum filling you deep within your bowels, it easily starts to fill you up even your stomach starts to bulge out making you look pregnant as her cock plugs you up leaving no where for it to escape, the torrent of her cum doesn't seem to end as she just pumps more and more into you, more than you ever thought any girl was capable of. At last after what had to be 5 minutes you feel it subside, your stomach is huge and full of her spunk, she begins to slowly pull out her cock but it takes a long time for her massive dick to fully come out, you feel ever inch of her running through your guts, you start to feel empty as her beast retreats back out of you. When it does finally manage to pop out you hear and audible pop as her cock head leaves and your asshole shuts closed, but throbbing every few seconds letting a little bit of semen shoot out behind you onto her bed. With her cock fully out of you she gives you a nice big spank of your ass cheeks and lays back onto the bed next to you, without her hands and cock holding you up you have little to no strength left and you simply fall forward onto your stomach.

"Fuck me Marcus, it turns out you are good for something after all. That's the best sex I have ever had! I told you, you were meant to serve me, you were meant for this to be my sissy slut." She says panting heavily next you looking up at her ceiling