Alien Transformation Stories

17,347 results
Orientation
Length
Source
Infinite Scroll

The Bouncing Bettys

by FreakNation on Jul 10, 2019
Fetish

Disclaimer: All characters in this story are at least the proper 18+ years of age. As always postive feedback is always appreciated and always feel free to directly message me if you want to talk about or possibly co-write custom made chapters anytime! It all started during a simple outdoor camping trip as 4 college friends were just getting started setting...

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The Big Blonde...Pinkie Invasion

by PrevertOne on Aug 31, 2017
Humor & Satire

By The Preve On a warm spring night on May 8, 20... , a sonic boom woke the residents of Paris Falls, Cleveland, Ohio. Lights came on all over the neighborhood. People cursed the low flying aircraft that disturbed their various slumbers. The lights went out again as grumblers returned to bed, but not before the men had a brief tumble with their wives. Unacc...

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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The Green Blob Ch. 06

by maestro84 on Sep 19, 2017
NonHuman

Stacy was working the dress shop the next morning. She came in because she was unsure if Jen would be in or not after what had happened. While she was folding a few things she heard the door open and saw Jen walking in. "Oh hey? I wasn't sure if you'd be in today. How are you feeling?" Stacy asked. "I feel Incredible." "That's good, you're boyfriend calle...

Shards Ch. 05

by Leenysman on Feb 11, 2019
Sci-Fi & Fantasy

Author's Note: I've got to admit to an oops/correction. Assuming you've already read the previous chapters, you might (or might not) notice that I have shortened the distance from Teclewt to Earth, from 97,000 light years down to 47,000. Why? Because I forgot to sanity check the 97,000 number when I started writing this story. The diameter of the Milky Way i...

The Green Blob Ch. 11

by maestro84 on Sep 19, 2017
NonHuman

While Becky's transformation was completing more hatchlings had found the same college campus and were looking for hosts or meals. Timothy was asleep in his dorm and did not notice the small green creature wiggling its way through the window. The blob slithered across the window sill before dropping in to his bed. Tim was sleeping in his boxer shorts which...

Genestealers Pt. 02

by inconsistentwriter on Jun 1, 2020
NonHuman

(All characters are 18 and above wherever applicable. This series contains elements of futa and gay sex. Thank you for the feedback - it's most welcome!) *** Halfway across the country, two scientists were staring up at the star-lit sky with beers in their hands. It was the much-awaited end of a long day, mostly spent playing politics and wrestling with pa...

Species

by Rapebanana on Nov 17, 2015
BDSM

In this story you're not a well known astronaut, but just a rich guy living in a mansion. Which went dipping in the water of a lake one night and the radioactive barrels lying on the lake's floor made you mutate, maybe in combination with the black ooze hiding in the water. As an anonymous you can rape as many women as you want, without the government findin...

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The Taming of Supergirl. (+ Other DC stories)

by kinkyboy on Apr 3, 2017
Fan Fiction

Disclaimer: It is just a fantasy non-consent erotica with a focus on supergirl fan-fiction, uniforms, lesbians, lesbian incest and slut training. I have downloaded most pictures from the internet with no real world relevance. I do not encourage any non-consent actions against women. It is just a kinky story based on the tv-show with Melissa Benoist. In addit...

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Fairy Summoning Pt. 09

by maestro84 on Sep 14, 2017
NonHuman

The next night he did not see Rose. She figured this was one of the nights she skips to let him rest to which he was a little disappointed but understood. Last night was an amazing night for him and he was happy to find all the green stains had disappeared when he awoke. He decided to enjoy this night to himself. He laid in bed watching TV contemplating whe...