Muscle Transformation Stories

51,054 results
Orientation
Length
Source
Infinite Scroll

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...

Reversal Ch. 02

by carnality on Sep 13, 2017
Transsexuals & Crossdressers

As her member softened and shrank, his head was pushed lower and lower until he had the entire shaft in his mouth. "Keep using your tongue," she commanded softly. "I want it to come out of your mouth as clean as it went in." He did as best as he could and sure enough, as the pressure left his head and he lifted off her now shrunken member was spotless, if...

Cock Ring of the Gods Ch. 05

by nogratis on Sep 25, 2017
Sci-Fi & Fantasy

Dear Students: As we reach another chapter in the study of the evolution of the Prussian Theory of Dialecticism of the Sexual Adolescent, we reach the point where youthful fantasy reverberates into the real world. The question presented is if the primal adolescent fantasy could exist, how would it really work, out there amongst the world? Ya, Ya, I kno...

(Don't Have to) Worship Me

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

This is a continuation of (Don't Have to) Twist my Arm and (Don't Have to) Keep Me Growing. As such the themes of altersex women having sex and growing to absurd sizes remain. So, if absurd growth and size or women with penises are not your thing, I would go back. As a heads up, this has some demeaning language that is part of a d/s scene as Caroline and Sa...

Gloria's Transformation - the Slave

by Captain1021 on Sep 16, 2017
Sci-Fi & Fantasy

The following is a brief description of how Gloria became a gorgeous, super-sexy nymphomaniac, if you missed the first episode, "Gloria's Transformation - the Gym". ***** Gloria is transformed by a brilliant geneticist in a quest to create the woman of his dreams. She becomes a gorgeous blonde with lactating, 32S breasts, a huge booty measuring 48 inches,...

Demon's Desire

by princess_kay on Jun 4, 2019
Transgender & Crossdressers

Michael shook the salt canister, trying to shake every last granule from its container and onto the basement floor. Then he grabbed his broom, gripping the green plastic handle so tightly that his knuckles turned white, and began to furiously sweep at the floor. Precious minutes went by as he did this, but Michael resisted the urge to check his phone while h...

A Chance Encounter Ch. 04

by blackjack8 on Sep 13, 2017
NonHuman

Eric met Cassie in the parking lot after his classes were over. She seemed in a good mood, carrying a handful of paperwork with her. "So, have a good day?" Eric asked. "All in all yes. Did you know a bunch of people are under the impression I'm your girlfriend?" Cassie laughed. Eric blushed, having done nothing to stop the rumors himself. He hadn't actual...

Scaled Transformation

by AmethystMare on Jun 1, 2020
NonHuman

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. All characters in all of my stories are over eighteen an...

The Object of His Affection Ch. 09

by H Dean on Sep 19, 2017
Erotic Horror

The Toy "I like what we've done", he told her. "I like it a lot." "What do you mean?" she asked. "Your tits, your waist and your ass", he explained. "You know, when we take out the plug it stays open. Doesn't close. Not even when you try to close it. Well, it does a little. But not much." A chill ran through her. He had accomplished what she had feared h...

Shower Suprise

by Texguy84 on Sep 12, 2017
NonHuman

The door slammed as Ginger arrived at her boyfriend's dorm room. After a long tiring day, all she wanted to do was unwind and relax with her boyfriend. Seeing no sign of Eric, she decided a long hot shower was in order. She started the shower and stripped out of her clothes while she waited. Jenny had always been slim and athletic; her small breasted body p...