Muscle Expansion Stories

46,228 results
Orientation
Length
Source
Infinite Scroll

Cartoon Robo-Sluts

by kire5613 on Sep 19, 2017
Fan Fiction

Thank you for calling Toon Robosluts. We are the top selling robotic company of our class. We provided top natch Robotic sex dolls for over 8 years and now have gotten provision from several animation companies to make a new line of sex dolls based on several of your favorite cartoon series and can be customized in any way. Just place an order you will recei...

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Wanted: Prince for Wildly Implausible Fuckfest

by HighGrove on Sep 26, 2017
Fantasy

You scoot your chair back from the table, rubbing an eye as you take a moment to consider this glaring bright room and the truly absurd opportunity it offers. Oh, your summer job hunt had started typically enough: the movie theater, a few pizza joints, that doggie daycare place, any number of perfectly normal and perfectly dull prospects for the admittedly n...

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A Piece of Art Pt. 04

by Hurradiegams666 on Jul 13, 2020
Fetish

WARNING: This chapter includes the following "kinks": futa x female, female muscle, FMG, growth, dick growth, expansion, size difference, muscle worship, mini-gts, height growth, hyper sizes, mind control, cum inflation, cock weightlifting, sexual workouts ALL CHARACTERS ARE 18+ AND OLDER! Varvara's heart was pounding in her chest when she sunk into Christ...

The crazy ex girlfriend

by zbloutch on Sep 5, 2019
Fantasy

-I think there’s someone at the door. Peter sighed and looked away from the newspaper he had been reading since he had started his breakfast with his family. He looked at his wife and smiled. After sixteen years of marriage, as both were approaching their forties, he was still in love with Laura. Her brown hair, her blue eyes, not to mention her generous cur...

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The Slut Game

by direforhire on Feb 14, 2021
Fetish

Sitting at a small desk in her dorm room during a late evening, you see a beautiful red headed woman working on a project for her freshmen college course. This is Morgan; she's a young industrious woman but she wanted something else in life. Despite being drop dead gorgeous, her body was lithe with very little curves to her and this saddened her. Additionall...

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BE: Breast Expansion

by Cyberweasel89 on Dec 20, 2020
Fetish

This story is a public hub for members of CHYOA to post whatever breast expansion (BE) focused scenarios that they don't want to put in a stand-alone story and/or doesn't fit in another story! BE is a fetish that focuses on breast growth. The exact method and rate will depend entirely on the individual author of the BE story. The result is that each individu...

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Ǝvolve

by marshall626 on Nov 4, 2018
Miscellaneous

I encourage anyone and everyone to submit chapters, I will be moderating and check the Guidelines, please. Text in Italics are Thought After getting ready to head out for college you go down to the kitchen for a slice of cold pizza, "What the fuck, Chad you asshole, you ate my food again!" You yell at the top of your lungs. "John if you didn'...

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Ascension

by sd64 on Oct 24, 2018
Fetish

This story has been restored from deletion, and the intro chapter has been rewritten to remove the work of the original author (by their request). The following is rewritten to give us a jump off point for the extant chapters. Admin rights have been passed to me. Questions, comments, requests, please feel free to ask. -Vestiphile **** You're just returning...

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The divine power

by Queen Death on Nov 1, 2020
Fantasy

(Story inspired by Expanding Ever Universe by Bustartist) ——————— Walking back from school, Jack found it was pouring like shit. Sighing, he pulled his rain jacket closer up around his neck. No need to seek shelter, after all. He knew he only had a few blocks left to go before he could get out of the rain. He would have taken the bus, but he had ran out of t...

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Growth Spurt

by ThatGuyYouKnow98 on May 4, 2018
Science Fiction

(Authors note: First time doing this so I honestly have no idea what I’m doing) Welp, it’s official, this guy is a fucking weirdo. Here you are, sitting on the bus, trying to get home from work, minding your own business, when the creep next to you keeps leaning over every 10 seconds to look at your watch and ask what time it is. Please for the love of god g...

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