Muscle Growth Stories

51,065 results
Orientation
Length
Source
Infinite Scroll

Bovine-X

by sexgundam666 on Sep 19, 2017
Fetish

Author's Note: Okay, this one is literally just for shits and giggles. I will be writing sequels, but they too will be short and quick, however I will try to make them sweet as well. Warning: In later chapters there will be absurd breast expansion, futanari, extreme amounts of cum and lactation and anything else my messed up mind can conjure. Don't forget to...

Brewed

by Amnoartist on Nov 27, 2018
Fetish

Editor's note: this story contains scenes of incest or incest content. ***** ================== NOTE: All character herein that partake in sexual acts are aged eighteen or older. ================== Adam wasn't at all that happy. If all the places he wanted to be, where he was right now wasn't one of them. He'd rather stay at home to play games, 'hang'...

The Best Gag

by mistyfdfa on Sep 13, 2017
Fetish

A Far Shore Story Oscar was positively overwhelmed by the number of people on the convention floor. He had been told by his friends the dealers' room would be packed but it had been hard to grasp just how dense the crowd would be until he was there. After nearly twenty minutes of being dragged along by the flow of the room, the nerd climbed out of the press...

Amy - The Amazon (Usually) Ch. 06

by sexgundam666 on Jan 29, 2020
Sci-Fi & Fantasy

Amanda yawned and stretched to pop her joints. She didn't have classes that day, though Amy did. Despite the Amazon's protests, Amanda convinced her to go, largely to let her body relax after last week and the subsequent nights thereafter. Turned out she could only handle so much of Amy's new size. Her pussy ached in satisfied exhaustion, still loose from la...

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...

(Don't Have to) Twist My Arm

by mistyfdfa on Sep 16, 2017
Sci-Fi & Fantasy

The following story about a switch in a poly relationship contains alchemical potions that causes several kinds of growth. If you are not into women growing thick penises or becoming quite muscular, this story is probably not for you. ***** Yuuki woke to the feeling of her ear lobe being nibbled on as thick fingers toyed with her nipple. From how much bigg...

Des vacances qui tournent mal

by zbloutch on Jul 31, 2019
Fantasy

L’aéroport de Roissy était bondé en ce début d’été. Les vacanciers se bousculaient comme si leur vie dépendait de leur présence dans leur avion avant le départ de ce dernier. De temps en temps, une voix monocorde faisait une annonce dans un micro, dominant quelques instants le désordre ambiant. Des groupes se formaient et se séparaient. Les milliers de gens...

Open in Reader

Cartoon overlord

by footMan12 on Feb 11, 2019
Fan Fiction

It is time… After years of trial and error… After years hardship and insanity… It is time, time for a new cartoon overlord! (0) Deep within the darkness of your evil lair, plot and ponder your evil plan to conquer all of the cartoon universes. Eventually you come up with seven important steps that you need in order to begin conquering cartoon worlds. One: Yo...

Open in Reader

I am a Cow

by lindseyD on Aug 20, 2019
Fetish

I had always prided myself on staying fit and keeping lean throughout my primary and secondary education. In High School, I was on the track team, played soccer and was often referred to as a tomboy who didn't mind getting dirty. I also was told I was very cute back then and would get more than a little attention from the boys. 5'4", 115 pounds and enough le...

Bumping into a Schoolgirl

by Stephendings on Mar 29, 2021
Amateur

You are walking towards the food court of a local shopping mall. You have a bag from a department store, filled with some new clothes that you picked out for the summer. You decided to go alone this time, even though you and your friends won’t be seeing each other as often after graduation. You tag some of them in a pic of your haul that you post on social m...

Open in Reader