Muscle Growth Brother Stories

86,363 results
Orientation
Length
Source
Infinite Scroll

I Wish For... Ch. 03: A Swelling Sensation

by mistyfdfa on Apr 25, 2018
Transsexuals & Crossdressers

A Tale of [The Far Shore] continuing the story of Jeanie, a fitness nut whose wish to be a miracle worker resulted in her becoming a jinni. Summoned to grant her first wish, this chapter features women getting buff, female to altersex transformation, a character becoming a centaur, size play themes, sapphic romance, shared sensations, unexpected outcomes, an...

Megan Ch. 14-15

by djubre666 on Sep 14, 2017
Fetish

Chapter 14-Final "Where is the stuff..." Megan spoke quickly, she was referring to the sample container they sent for her from the lab. "On the kitchen table" I said, and she nodded confirming, quickly rushing out the door. She did try to open the door using the doorknob, but in her hurry she simply tore the whole thing off, and then ripped the whole doo...

A Love High in Protein

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

Warning: this massive, sexually explicit story, featuring a couple consisting of a huge, burly guy and a petite, willowy size queen, is about her achieving her dream of somehow growing larger to the point that she out grows him in every way imaginable. If things like a size difference fetish, muscles growing on both men and women, a woman becoming altersex,...

Justine Ch. 01

by SuperVC10 on Oct 15, 2017
Erotic Couplings

Justine Thorsendottir was in Munich for Oktoberfest '74. The genetically gifted buxom blonde superwoman from Southern California with sexual power on par with a W53 nuclear warhead drank beer, and sang along with equally sloshed partiers. She wore a pretty brau-haus outfit tailor made for her exquisite body. Her ensemble was a red and black dirndl, off white...

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...

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Dick World

by darkness_drearing on Dec 25, 2019
Bisexual

For contributors As was stated at the top: while there were will be two general threads to go off of (for a guy and girl), feel free to create your own characters or scenarios. The only shared premise among them needs to be that they find themselves, however you decide that happens, in this universe and, as The Eagles would say, "You can check out any t...

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A Stretchy Situation (Side A)

by mistyfdfa on Oct 14, 2017
Sci-Fi & Fantasy

Warning: this sexually explicit story about three superhero spies having a relationship dispute is very skewed towards femdom as he finds himself in trouble with both of them. It features elastic ladies as well as breast, butt, clit, hip, penis, and vulva expansion, women's muscle growth, and some very intense facesitting. If any of that sounds like somethin...

A Almost Perfect Awakening Ch. 12

by Wm_Sexspear on Sep 25, 2017
Erotic Couplings

* * * WARNING * * * All the actors in this script are of legal age, but may portray maturing young adults. This is a work of adult fiction and contains descriptions of sexual acts between consenting adults. If you're under the age of consent where you reside, delete this file immediately. If it is illegal to obtain adult literature where you reside, delete...

Fallout 2 - Navarro Ch. 08

by Mackenzie Taylor on Sep 13, 2017
Sci-Fi & Fantasy

I have two more chapters written they just need to be refined. I'm happy for all the feed back, I love to hear from readers. Thanks to everyone who's been coming back for each chapter. mac 000 Five vertibirds landed, surrounding Vault City. The Vault City guards knew this was the enclave and they weren't a match for this small army and did their best to c...

Mystique: A-Force Predators

by gorel29 on Apr 9, 2020
Fan Fiction

Stepping through the front door of the shared lair of the Brotherhood of mutants, Mystique stepped through the door first, sulking with the rest of her teammates following her inside. She was depressed, incredibly so. Her head hung low that her red flowing hair obscured her face and shoulders as she sluggishly made her way inside. Her white silk dress draggi...

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