Futa Alien Invasion Fanfic Porn Stories

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Infinite Scroll

Snowball story writing

on Apr 22, 2025

If you don't know what a snowball story is, read this: https://prestoplans.com/snowball-writing-collaborative-writing-activity/ This works somewhat like Image Inspiration Chapters. However, after someone writes a chapter, someone else has to continue that story with another chapter. Try to end each chapter open-ended. Note: Stories with an asterisk * have no...

Corruption Runs Deep Ch. 06

by Futa_Contractor on Sep 13, 2017
Sci-Fi & Fantasy

My stomach lurches as the words pour over me. The girl with the super huge horse cock. This had to be Danny from Reddit. I found her... albeit I was expecting a man not some drop dead gorgeous woman who just hugged me pressing her impressive rack against my own tender buds. I feel confused and lost all at the same time. I open my mouth, and close it, open it...

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...

Monstrous Lovers Ch. 03

by capn_doggy on Dec 23, 2019
Sci-Fi & Fantasy

Spoiler Tags: Virtual Reality, LitRPG, Transformation, Futa, Futanari, Gynoid, Adventure, MonsterGirl, Manticore, Holstaur, Anal "Besides, I'm not even sure with how I could help." "What about a rimjob? You offered that before," I asked desperately. The thought of not having my dick anymore was a frightening consideration. My future seemed bleak, a desolat...

A Sexual's Reproduction Ch. 05

by sexgundam666 on Jan 27, 2020
Sci-Fi & Fantasy

"This looks stupid," Mirin said and pulled at her dress. She hadn't worn one since prom, ten years ago that night, but she chose it for that reason. "Couldn't agree more," her mother said, glancing back and forth from the tv. "Thanks, Mom," Mirin groaned. Anxiety swirled and coiled inside her guts, it turned her blood cold, even tamed her inexorable cock,...

Genestealers Pt. 03

by inconsistentwriter on Jun 8, 2020
NonHuman

(Hi, author here! Some quick notes before we kick off the third chapter of this series. First, all characters are 18 and above wherever applicable. This series contains elements of futa and gay sex, among several others. If that's not your thing, I totally understand - there are many, many stories here, some which may cater to your tastes better. Second, o...

The 8th Clone

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

This novella is intended for adult readers only. The content is sexually explicit and intended for mature readers (18+). ***** A heavy shock hit her chest. Sitting up quickly, she began heaving and coughing in an uncontrollable fit. As she blinked her eyes, she could see her coughing was much more than just air. Each time her chest heaved reflexively, a s...

Elven Futadom

by jmce on Apr 29, 2025

(Inspired by the Elven Overlords futadom Captions (obviously) Elves, mythical beings once thought to be nothing more then myth, that was in tell they invaded the earth. From a world of magic they called Avalon, the Elves came, first taking individual people. But then, on that fateful day so long ago, the Invasion finally became an actual invasion. They start...

Bayonetta's

by James Bondage on Apr 22, 2025

Bayonetta's shaft throbbed in James' mouth. He gurgled on her sperm, his throat backing up with her creamy emissions. She laughed wickedly as James gagged on her twitching length. Bayonetta held the straps of his head harness firmly as she pulled his face into her thrusting hips. Her huge, gleaming scrotum, heavy with seed, smacked repeatedly into his chin....

Alia Futa Ch. 02

by DBRN84 on Sep 15, 2017
Sci-Fi & Fantasy

Kent had quite a month. One day, he was a normal guy, leaning towards the idea that he might be asexual. The next day, he was bonded to one of the prettiest girls on campus, Alia, who he learned was a half human, half futa alien. The cock between her legs sent psychic pleasures to his, making him feel anything and everything she did to hers as though it was...