Penis Expansion Muscle Growth Stories

114,974 results
Orientation
Length
Source
Infinite Scroll

A Piece of Art Pt. 03

by Hurradiegams666 on Jun 9, 2020
Fetish

WARNING: This chapter includes the following "kinks": futa x female, female muscle, FMG, growth, dick growth, expansion, size difference, hourglass expansion, muscle worship, mini-gts, height growth ALL CHARACTERS ARE 18+ AND OLDER! It's been almost a full day since she had sex - usually she couldn't go for more than 8 hours without feeling awfully pent up...

Changed Marriage Pt. 02

by sexystoriesRus on Nov 2, 2020
Erotic Couplings

Hello! Thanks for all the feedback on my last story, it really helps me write better. This one is a little longer and has a little more plot. It probably won't make sense if you didn't read part 1. This story contains: breast expansion, penis expansion, muscle growth, lactation, sex with strangers, sex in public areas, and extreme amounts of cum. -- Recap...

Twin Perfection

by ThomasElliot on Dec 24, 2019
Fetish

*Authors note* If you don't like ridiculously huge dicks and tits and asses and muscles, this story is not for you. If you do like that stuff, please enjoy. * * * So, my story. My story is actually a fun one I think. A bit ridiculous, but mostly fun. My name is Katrina, and this is how I found my sexual paradise. My young life was nothing interesting. I...

Shrunk in a Women's Wrestling League

by almost929 on Apr 23, 2019
Mature

You're Tom, an average guy who's always fantasized of being a pro wrestler since childhood. One day, you decide to finally follow your dreams and quit your day job. Young, ambitious, and with everything to prove, you decide to start your career by finding an underground league to join, hoping you'll quickly gain a name for yourself. Sadly, your efforts are f...

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A Not So Little Night Musing

by Safetystars on Sep 16, 2017
Fetish

Joan snuggled closer to Tom's chest, easing herself into a more comfortable position while making sure not to wake him. She thoroughly enjoyed the feeling of lying beside him, just his bare skin against hers in the dark, still but for the sound of their still slightly ragged breathing. Tom was spent and had quickly fallen deeply asleep, though not forgettin...

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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cursed punishment

on Sep 6, 2019
Mature

Mod Note: This story is now open to the public, please behave and follow the rules. Also, I moved the intro common to all scenarios to the first page so that others don't have to copy it every time they come up with a new curse... Gina is a skinny black haired 19-year-old girl who is currently enrolled in the local American high school. Despite her populari...

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Kelly’s Blue Book

by DemoonMunkay on Jan 28, 2019
Miscellaneous

(Author’s note: I’m going to try something weird here. The story is public and I’m going to try to be as hands off as possible, meaning I won’t post very many chapters. I’ll fix typos where I see them but the rest is up to ya’ll. Let’s see those imaginations work.) Chances are if you had any sort of childhood where “What ifs” took place you’ll have heard thi...

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Faeophobia Quickies: Playing the Field

by xxxecil on Sep 19, 2017
Sci-Fi & Fantasy

A single drop of morning dew dripped from the penis. Or so it would have appeared to their quarry. In fact the object dangling from the tree was a life-like, phallic replica, 8 inches long, hanging suspended from a silken cord to the pine tree. It had been painted a life-like color; that was important to the test subjects. Or so Professor Cummond had always...

TF Quickies: Heroine

by Uniracer on Sep 11, 2018
Fetish

Content Spoilers: This story is rated "not for everyone". It features fetish material involving shapeshifting, a woman endowing herself with a penis and balls of enormous size, heavy breast expansion, absurd amounts of both sperm and milk and some messiness involving said liquids. Several laws of physics were harmed in this scenario. Enjoy! *** "Danger! Da...