Alien Parasite Stories

9,669 results
Orientation
Length
Source
Infinite Scroll

Killer Mutant Sluts Ch. 09

by SecretlifeofAL on Sep 25, 2017
Erotic Horror

Data-log entry number 01: Group of patients came in a couple nights ago. All of them male. Ages 21 to around 49. All of them in unconscious. They also seem to have been stricken with serious cases of priapism. For some reason the bodies emit strange and pungent pheromones effecting some of the female members of the staff as well. Patients were moved into is...

Mind Parasite

by Rinderpest on Sep 15, 2019
Fetish

I'm Eric. I'm a student in high school. Lately, one of my best friends, Maude, has been acting weird. She has recently started seeing this new guy, Tyler. To say she's fallen head over heels for him in an understatement. She seems to live and breathe for this guy. I've never seen her fall this hard for someone. She's dated a few guys since I’ve known her, bu...

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STX Pt. 02

by BB47 on Feb 12, 2019
Sci-Fi & Fantasy

_______________ (Sexually Transmitted Xenomorph) Part 2 _______________ Five days ago... COMP ABBREVIATED AUTOLOG:: *init.tmfrm* Day 2 of Mis. B.3Q784 Current trans geostatic. orbit 35786km, Planet: Gliese 581 g. ++0400++ All primary and secondary contact with Seed Colony Kinawa 5, loc. N. hemi 28.60542°N 81.3839°W/ still in blackout / non compliance....

Organism X Ch. 11

by DevilBookCorruptions on May 12, 2020
Erotic Horror

1 "So, this thing used to be a leech?" Jessie Vitelli asked, feeling slightly ill. In front of her, locked away in a glass terrarium, was a large, ribbon-like worm covered in green slime. The creature was contained with one of the normal worms - if you could call an alien, parasitic creature normal. Jessie kept looking from the generic parasite to the lee...

Egg Ch. 01

by destodes777 on May 2, 2018
NonHuman

Egg Chapter 1 The woods that made up Verdant Springs could be called eerie. A mix of tall old birches and pines that grew thicker the deeper on travelled off the paved paths that wove through it. Moss grew in great blankets across the ground broken by small game trails and paths. The young boy who walked down a dirt path didn't find the deep wood eerie,...

The Darkness Beyond Ch. 05

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

He was perfectly aware of the presence that entered his mind when he was prone, but he wasn't able to fight it. It was just there, sitting in his brain like a parasite and mocking his efforts to rid himself of it. He shuddered, hating his helplessness. His hands were clenched into fists, but suddenly, they relaxed and opened without him allowing them to do s...

Lair of the Cryptmother

by bopoznuvt on Apr 19, 2019
Fantasy

Althea Amberhearth sat at her usual spot in the Black Crab tavern. Few windows and a scarcity of candles meant the establishment rarely rose above dim light. Probably so that the customer base would fail to notice the numerous stains littering the wood floor. A shame the lighting did little to stymie the stench, as the sickly sweet scent of old ale trickled...

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Star Sex Ch. 01: Pilot

by xerox2 on Jun 4, 2019
Sci-Fi & Fantasy

(This program contains bizarre sexual transformations and strong language. 18+ viewers only) They were alone in the hangar, and, everything was going according to plan-- so far. The silent bodies of a hundred aircraft loomed over them, sleeping, waiting to roar to life and take wing into the sky. For now, the only sound was the scrape of the tiny plastic w...

Lira's Accounts Ch. 03

by blackjack343 on Dec 16, 2019
NonHuman

Hi everyone. This is part three of my first story on here. Comments are really welcome, and I'd love to hear what people might want to read next, or any prompts! Content: non-human, alien, slime, double penetration, lots of anal, alien-on-male, parasite. Stuff like that. All characters are over 18 and consenting. Enjoy! * * * It had been a slow t...

Infectious

by MrFinesse on Sep 20, 2018
Science Fiction

(Disclaimer: The stories here are ment for people to enjoy, not to offend or gross out anyone who reads it. If you don't enjoy the kinda things that involve excessive amounts of bodily fluids, transformations, gender altering, furries, mutations, biomass, tentacles, non-con, degrading, or anything else that can be sensitive to certain people, you probably wo...

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