Muscle Transformation Stories

51,054 results
Orientation
Length
Source
Infinite Scroll
SmutMD: The World's Biggest Erotic Literature Search Engine.
© 2024 SmutMD.com

Contagion 63X - Viral Transformation

by Aroband on Feb 20, 2020
Fantasy

From the records of Advanced Bio-hazard Research Facility Psi Omega - Location **Redacted** ---===Virus 209-q===--- Codename: 63X Virus 209 was designed as a way to naturally incapacitate the human body by temporarily drastically increasing the production of certain hormones in the body. Strand q was a dangerous outlier in 209's evolution that went far beyon...

Open in Reader

Mod your life

by Jlizardi on Jul 15, 2019
Fetish

One day John woke up and heard a strange voice in his head telling him that he can alter anyone he wanted with the snap of his fingers... he didn’t know where this came from but he wanted to try it.What's next? Mom and dad The police station Feel free to add whatever The neighbor little sister His Aunt Bratty Sister and Her Bratty Friend Himself His Sist...

Open in Reader

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...

Open in Reader

CYOTF - Fantasy Vacation

by khanhninh on Jun 23, 2020
Erotic Couplings

You and your girlfriend are about to go on the vacation of a lifetime. A magical resort where your transformation fantasies come true. Each room has the ability to let you transform yourself into anything you want depending on the theme. There is a room for people who like to be a different: age species Gender Size (height, weight, muscle, etc) person object...

Open in Reader

Growth-XX

by FlatCap90210 on May 20, 2019
Science Fiction

James felt as if he was going insane. It was summer, the sun was shining and he was at the beach ogling girls. Tits of all shapes and sizes surrounded him, wrapped in bikini tops, one pieces and other pieces of fabric of varying coverage. James' heartbeat pounded in his ears and throbbed in his crotch, digging a furrow in the sand beneath him. He was lying o...

Open in Reader

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...

Open in Reader

Little Liz's Big Suprise

by danny222 on Aug 8, 2020
Fetish

Liz woke up this morning feeling a little horny, which wasn't normal, but this was even different from the rare occasions that she actually did feel horny. It was a little stronger, but with Liz having a medical condition that continued her puberty she was getting used to unfamiliar feelings, so she wasn't too alarmed, just curious. Puberty as it turns out t...

Open in Reader

Adventures in Gaming

by CumBalloon123 on Feb 20, 2020
Fetish

The Players Anna: Shy, crush on Barry, 4’11’’ Dirty Blonde hair, long, 130 lbs. 30A-30-32 measurements blue eyes secret fetish size queen/excessive cum, straight Katy: Raging nympho 5’6’’, black hair, medium, 140 lbs. 32B-30-32 Green eyes secret fetish giantess, bisexual Chloe: Rich Popular, 6’0’’ long blonde hair, 155 lbs 34C-32-34 green eyes secret fetish...

Open in Reader

IrreFutable Changes

by D0Wh4tever on Aug 17, 2020
Fetish

In the medical world, it got called the Hormone-Oriented Sexual Transmutative Disease. The disease was transmittable through sexual activity and, as its symptoms and causes became more well-known, it got classified as an STD (Sexually Transmitted Disease) very quickly. Many people were fearful of the disease. They were never sure if they'd catch it, nor how...

Open in Reader

The Making of a Minotaur

by AmethystMare on Nov 20, 2018
Fetish

This is a short work of erotic fiction containing furry, or anthropomorphic, characters, which are animals that either demonstrate human intelligence or walk on two legs, for the purposes of these tales. It is a thriving and growing fandom in which creators are prevalent in art and writing especially. **** The Making of a Minotaur "Oh, little one... You h...