Ass Growth Stories

236,745 results
Orientation
Length
Source
Infinite Scroll

Milking Her Huge Udders

by TrotskysGirl on Mar 12, 2019
Fetish

Devon was the owner of a brothel that was known far and wide for entertaining just about any sexual fantasy a man could dream up. He was a shrewd businessman with a good reputation. He treated his customers right, he treated his working girls right. His creativity helped maximize both his profits and his customer's pleasure. He offered both the basic and th...

A Platonic Relationship Ch. 03

by The_Technician on Mar 12, 2019
Sci-Fi & Fantasy

PLATO is the most powerful computer ever... grown, but he knows that he is incomplete. He needs something else from Marcella, and once he has received it, he gives her... and Richard a gift they would never have dreamed of asking for. This story stands- more or less- on its own but might make more sense if you have read the previous chapters. = = = = = = =...

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...

Autus Ch. 09

by sexgundam666 on Sep 19, 2017
Sci-Fi & Fantasy

"Ha! Did see everyone's faces?!" Allie exclaimed, laughing as she, Kona and Gwen walked back into the redhead's room. As was the norm for her, she was blushing fiercely. "Everyone was staring at me." She groaned, looking down at her oversized stomach. Kona nodded silently in agreement, face flushed red as well. Allie faced them with a smirk on her face. "O...

See Label for Instructions

by ash_rigby on Oct 12, 2020
NonHuman

This is a weird one, guys. But that's just what we do around here on this account! Anyway, this is a male solo scene involving extreme cock growth and the alien also ends up fucking himself with his tail. This is your last chance to turn around if that isn't your thing! Thank you and enjoy! ~*~ Flyx's recently-polished horns glinted in the bathroom light....

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...

Open in Reader

Growing and Shrinking Thoughts

by silent soul ken on Oct 16, 2018
Fetish

As stated earlier the MC is either a guy, a girl or a futa. Futa's can be born futa or have operations to turn futa but said operations are extremely expensive. The MC can have one exceptional talent be it something like athleticism, creative talent, or something similar. Otherwise they are an average person who happened to survive a freak accident which giv...

Open in Reader

Magic Marker

by Kazza on Sep 3, 2019
Fantasy

The origins of the magic marker are unknown, only that tales of it's exploits have been told for centuries, a magical artifact that can change both mind and flesh with a stroke. Earliest reports of the artifact state that it had been a quill once before slowly adapting to the writing instruments of the twenty-first century. It is said that the marker has alm...

Open in Reader

The Walk Back

by Lycandope on Sep 25, 2017
NonHuman

Amanda walked along the small path, feeling the small rocks crunch under her shoes. Huge dark clouds sprawled lazily across the night sky. The moon was huge - silvery and fat. Brian walked beside her, not close enough for her liking. This was their third date and he still believed he was being a gentleman by keeping his distance. They hadn't even held hands...

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,...