Girls Muscle Growth Stories

154,217 results
Orientation
Length
Source
Infinite Scroll

Chosen by Passion

by mistyfdfa on Dec 25, 2017
Transsexuals & Crossdressers

Warning: this NSFW erotic fiction is about a trans woman's chance encounter with The Goddess of Passion and the resulting radical changes to her body as the deity grants her a boon both to apologize and, of course, advance her own agenda. So if breast and penis expansion, women getting swole, light femdom, sex changes, or reality warping are not things you e...

Awkward Ch. 01

by Amnoartist on Sep 28, 2020
Erotic Couplings

Awkward Written & edited by Amnoartist Prologue Laid in bed, Mark stared longingly at the ceiling. A depressive sigh escaped his lungs. He had an intense desire to sleep but couldn't on account of the noises from the wall behind him - the bed creaking, lusty moans, enthusiastic giggles, a cacophony of sounds that only served to make Mark wince and cringe,...

Amy - The Amazon (Usually) Ch. 11

by sexgundam666 on Oct 12, 2020
Sci-Fi & Fantasy

"You're really gonna wear a dress to a movie?" Amanda asked. Amy smoothed out her only dress, "Hey, I don't know if or when I'm gonna grow again. This might be my last chance to use it." Even if she didn't grow, the fabric struggled around her curves, threatening a tear whenever she breathed too deep. Her cock stood out unclasped, so Amy used a few straps t...

Abominable Avengers

by gorel29 on Aug 15, 2018
Fan Fiction

It had been trying times indeed. The Red Hulk, formally General Thaddeus Ross had gone on a murderous rampage of every person who was either a rival to his power or one of his many listed enemies whether they had been real or not, even powerful beings like the Wendigo and Emil Blonsky the Abomination had been defeated and killed and only with the combined ef...

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Hollywood Horror Story

by zbloutch on Feb 13, 2020
Fantasy

The night had fallen for a couple hours, and yet, Los Angeles was more dynamic than ever. The city was shining a thousand lights coming from its numerous buildings, and its population was living it's life, far from suspecting something terrible was coming their way. And yet, it was. You see, there are things humans have come to think impossible, because the...

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Muffy

by HotScribe2 on Sep 2, 2017
Erotic Horror

Maureen "Muffy" Douglas knelt down and examined the mutilated, naked body. It had once been a woman, but now its face and torso had been ripped and torn as if by some savage animal. With gloved hands, Muffy spread the corpse's legs, checked around and inside its vulva. There were telltale signs of semen. Muffy sighed heavily and rose to her feet. This was...

Create a wrestler- Asia Edition

by lilguy31 on Nov 13, 2018
Fetish

Inspired by my story https://chyoa.com/story/Create-a-Wrestler.1263 And the later rebooted https://chyoa.com/story/Create-A-Wrestler-Reboot.6354 Welcome to the Mixed wrestling league. It is a wrestling league where fights are run by the traditional pin fall or sexual battle. First one who cums loses, or sometime it is last person standing. First one to pass...

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Suits and Slimes

by Halode on Feb 9, 2020
Miscellaneous

Hideki Laboratories has been at the forefront of biotechnology for years as a satellite operation of Hideki Technology, but most only know of a few of their breakthroughs that proved to be profitable, usually medical applications for ways to better administer drug treatments to particular parts of a body via 'smart pills', or 'organic bandages' to help a pat...

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A Mysterious Protein Shake

by SageofRhun on Mar 21, 2018
Sci-Fi & Fantasy

All characters are 18 and above. Disclaimer: This story contains fetishes such as female muscle growth, elements of breast expansion and height growth. The character portrayed maybe larger than average as well. It's just description too. If it's not your cup of tea, I suggest reading something else. **** A young woman sighed and looked at her frail and...

Doctor Thickenstein

by TitusMoorhead on Oct 6, 2020
Sci-Fi & Fantasy

"You're sure this is safe?" Jason asked, shivering as another layer of the frigid gel was slathered over his exposed backside. Victor took his time working the chemical into the other man's taut, solid cheeks. "Safe...ish. We've talked about this...I'm confident the process won't be fatal, but beyond that, no promises." "Is there a reason I can't be doing...