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Chapter 10
What do you do?
Get in between them (Spit roast)
This situation is going to need some team building, and you have something in your mind just right for that. You quickly slide out of your jumpsuit and throw it away. You walk right in the middle of the two girls and start walking towards Mia. She looks at you but is still keeping the argument between her and her sister going. You get down on your knees in front of her and take her cock in your hand. The loud talking and yelling abruptly stops, and both of the girls watch in surprise, as you place Mia's flaccid cock in your mouth. You manage to place her entire soft dick in your mouth, and you start running your tongue all around it, coating the head and shaft in your saliva.
You some soft moans come from Mia before that sweet sound is interrupted by Ava yelling "EEEEXCUSE ME?! Are you just gonna ignore the fact that I'm here too? You don't just go out and suck THAT bitches cock, without getting me off first!"
You hear her loud and clear and respond right away. You position yourself on your hands and knees and wiggle your ass at Ava, playfully.
She looks at you weirded out, but get's what you're doing and says "Ohh, I see what your playing... Fine, I'll bite."
She walks over to you grabbing your ass with her hands and spreading your knees a few more inches apart. She spits a big glob of spit in her hand and uses it to lube up your ass. As she sticks a couple of fingers in your ass to lube it up, you moan quietly. The vibrations of your moan bounce around Mia's dick, making it get hard even faster. The fun is about to start...
As Mia's cock grows bigger and harder, you notice that you're moving further away from her. When she is finally rock solid, you see that she gets slightly annoyed at the fact that you're taking her cock only a couple of inches deep. You look up and you slightly see her face through her giant tits, her red eyes looking down at you. While your not paying attention, you fail to realize that Ava is already rock hard and pushing her dick against your asshole. With one thrust, she plants her 8.5-inch shaft halfway down your ass. You gasp, from the sudden sensation of your anus expanding to make room for Ava's cock, and the feeling of it pressing against your prostate. Mia takes the opportunity of your mouth being wide open, to grab your head and shove her own dick down your throat. You only take it halfway, and already gag and ****. Both of the girls moan, from the pleasure of stuffing your holes at the same time. Mia starts leaking precum from her cock and it collects at the back of your tongue, letting you taste its sticky sweetness. Ava's cock, only being halfway in, is already stretching your tight ass wide open, and you don't think you can take anymore, but you sure will.
Mia makes the first move, and thrusts the rest of her dick down your throat, making you gag and an explosion of spit erupt from your mouth. In turn, Ava pulls her cock a few inches out of your ass, preparing for a powerful thrust. She tenses up her muscles and unloads a powerful thrust, launching her dick balls deep down your ass. You try moaning, but all you can do is make **** sounds around the base of Mia's cock. You feel Ava's dick reach the limits of your ass, and Mia's cock reaching deep down your throat hole. Slowly, they pull their members out from your holes. As Mia pulls out her cock, opening up your windpipe, you take the opportunity to inhale any air you can get. You breathe in the aroma of her dick, which makes you really horny, making your dick hard. When both of the girls are a few inches out, they grab a better hold of you and ready themselves for a fucking session. They pump back in, going all the way, plugging your ass and throat once more. This time, they don't stay there long, and quickly, move back out, before pumping back in again.
Each thrust of Ava's rock hard dick stretches your ass more and more and rubs your prostate, making your own cock leak precum. Mia fucks your throat with such speed, that you hardly get any moments to breathe. She's holding your head steady, making you unable to move it, so you're basically at her mercy. Ava keeps pounding the shit out of your ass, holding it tight, and you start enjoying it more and more, as her precum coats the inside of it thoroughly and you get used to the discomfort. What follows are 40 minutes of non-stop sex, moaning and gagging sounds, as your holes get wrecked by the two sisters.
After a rough beating, you've grown attached to the cocks, as they almost feel like a part of your body. You feel Ava's and Mia's cocks get hotter, harder and start throbbing more and more, indicating that they're close to cumming, and you're not far off yourself. They speed up more and more until releasing a joined orgasm scream and pushing their pulsing cocks deep down your holes. You feel a rush of sperm enter your throat and ass at the same time, filling you up from both ends. You feel the warm and thick liquid flow from your throat to your stomach. Mia holds your head steady, not letting you move an inch and depositing her sperm straight down your belly. Ava is also pressed against your ass hard, making sure every bit of her spunk stays deep down your rectum. You give in to your own orgasm and cum all over the floor below.
After multiple minutes of you being stuffed by semen, the girls' orgasms seem to subside, as their hot loads get smaller and smaller. Your face is red and tears drip from your eyes, from the lack of air, but, as Mia let's go of your head you quickly jump to the opportunity to take a breath. You inhale deeply, also sucking up any sperm left in your mouth. Mia falls on her butt in front of you, her cock and tits jiggling at the impact. A trail of sperm leads from her cock head to your mouth. Ava isn't so quick to let go of your ass, and you feel the sperm in your rectum slosh around. After a while, she too rips her dick from your tight asshole, and a small stream of cum starts pouring out.
You try to gather yourself, but before you're back to your senses, Ava already speaks up "Holy shit, that was nice. Although I don't feel quite empty yet... You mind if we fuck this guy some more, but switch around?" she asks her sister.
She nods and replies with "Yeah sure, why not."
You already feel pretty tired, so you don't know how you'll handle MORE fucking, so...
What do you do?
Lab Rat
The Futanari Production and Research Center has some models that need testing!
You are the lucky guy to be excepted into a secret underground facility as a lab rat. You will be undergoing many different tests to find out the capabilities of genetically grown dick girls. (Cover art by Zheng)
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Updated on Jan 8, 2020
Created on Dec 28, 2017
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