Girls Muscle Growth Stories

154,217 results
Orientation
Length
Source
Infinite Scroll

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...

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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...

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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...

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Futanari Fanfiction

by Wikia on Jan 29, 2017
Fan Fiction

We'll start writing right away. DICK GIRLS AHOY!What's next? The Barbaric Archipelago (How to Train Your Dragon) Motunui (Moana) Arendelle (Frozen) Middleton (Kim Possible) Quantic Universe The Human World (My Little Pony) Equestria (My Little Pony) The Tardis (Doctor Who) Coruscant (Star Wars Clone Wars) Quahog (Family Guy) Hogwarts (Harry Potter) The fles...

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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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Choose! 02: Life Edition - Round 03

by Ragnarok385 on Sep 16, 2017
Sci-Fi & Fantasy

Choose 2: Life Edition - The Final Round Standard disclaimer this story includes transformation, growth, shrinking, sexual situations and other fetish themes in the form of a board game. If you should not be reading this, I urge you to turn back now, but if you came looking for that sort of thing I welcome you to the Part 2 of Choose 2: Life Edition. Howeve...

Stories of changing sizes, growing bigger or shrinking smaller

by masterfulmastus on Dec 20, 2020
Fetish

This is a branching series with a focus on transformations or size changes in stories. Predominantly growing and expanding in some way, but also including shrinking, size draining, size transfer, and any other size play related fun. Size changes can happen any number of ways depending on the path you choose and who is growing and changing. Random growth spur...

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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...

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OBGYN

by Troof on Oct 4, 2019
Exhibitionist & Voyeur

Good morning, soon-to-be Breeders! My name is Sarah, and I have been a Breeder at Fort OBGYN for two years. Now that you’ve gone through all the written material for new Breeders, it’s time for me to give you a live demonstration of breeding. First, direct your attention to my Breeder uniform. As you can see, the top leaves my breasts completely free while o...

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Development App

by sexgundam666 on Jul 15, 2020
Sci-Fi & Fantasy

Author's Note: Requested by Shironomi. Holly wasn't like most centaurs. Most in her age group stood head and shoulders above her, almost torsos above human girls, with some that nearly doubled others. Her mother was one such centaur, several feet of legs that supported a voluptuous torso with tits half the size of Holly's whole body. All that said, she didn...