Alien Breeding Stories

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Invasion of the Alien Breeding and Boobfucking Slimeworms

by PrevertOne on Sep 19, 2017
NonHuman

Invasion of the Alien Breeding and Boobfucking Slimeworms: A Parody Author's note: the story takes place in the same universe as and is a parody of "Invasion of the Carnivorous Alien Worms" by Doc Dweeb. The story is written with his permission...really. * "It was a late spring day, early evening on a Friday, when people saw what they thought was a shooti...

Runners

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

I don't know how long I'd been asleep but when I woke everything seemed fuzzy and bright. I moved to rub my eyes and found my arms bound. I shot awake then, I tried to move my legs, they too were bound. Panic began to set in. I couldn't quite see around me but from what I could see I seemed to be in some sort of medical room or a lab. Everything was steriliz...

Bunny Ten inches

by foxskyemperor on Apr 22, 2025

In a Wherehouse, two young 18-year-old girl with long brown hair and hot green eyes, she has huge D-cup breast, fat ass, thic thighs long legs, fat kissable red lips, she also had purple eyeshadow, golden hoop earrings olive tan skin and wearing something a whore would wear, along with a watch on her left wrist is white and hot pink Ultra Matrix, but the mai...

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Mines of Sonhadra - Stage 02

by KarinaMacoy on Oct 16, 2018
Sci-Fi & Fantasy

(Fair Warning ~ This gender swapped, action/adventure, sci-fi hentai litRPG features elements of non-consensual sex, sex with aliens, monsters and other non-humans, tentacle stuff, seduction, coercion, dominance and submission, male/female sex -well kinda, maybe however you want to classify the gender-swapped sex....on top of the violence, fantasy elements,...

Unlikely Breeder Ch. 01

by Sungmehetu on Jan 8, 2019
Sci-Fi & Fantasy

Editor's note: this story contains scenes of non-consensual or reluctant sex. ***** PROFESSOR Eneccor Exobiology Lab, Semut University, Untull City, Gork Prime (Translated to English from Gorkian) Eneccor had been the top science professor at the university for exobiology for nearly 10 solar cycles. He knew that the rampant disease would stop all repro...

Re-population Ch. 04

by alan55 on Sep 13, 2017
NonHuman

Ch 4 – The downfall (Quinn) Over the years, the re-population effort seemed to be going well. The alien's numbers grew quickly in the first couple of generations. The alien males would impregnate as many of the human females as possible. Since the human females would normally have only about 3-4 children during their lifetime and each alien impregnation...

Octopodded Ch. 03

by HalfShim on Jun 10, 2019
Erotic Horror

The dockmaster's crew had no time to understand what was happening before they were overrun. Trotting down the ramp, octopus spawn sprung from podded humanoids, leaping onto unaware human bodies. One of dock workers tried to smash an attacking octopus with his clipboard, but missed, getting tangled up in its arms. A second octopus soon found his head, crunc...

Alien Abduction

by TheRedZone on Sep 13, 2017
Erotic Horror

All characters are 18 and older. ***** Mom claims that she was abducted by aliens, and tattooed for identification, to be used for their breeding program... It's 2:00 a.m. and mom is walking (stumbling) home alone from the bar, just a few blocks away. She turns down a small dark alleyway, to take a pee behind a dumpster, and as she drops her panties down...

Branded Heroes

by Sorenus on Apr 22, 2025

The universe is a vast yet violent place. Surprisingly, it is crowded and full of **** and bloodshed-different races and intergalactic empires and factions fighting for control. Humanity didn’t know this for many years. Even when they looked at the greater universes, the shifting and earring energies of the universe, and the various technologies particularly...

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Lisa's Second Chance Pt. 03

by Lisa_Sweety on Oct 31, 2017
NonHuman

Introduction Lisa is an attractive, blonde 25 year old human living and working on earth. Alien life had been found over 100 years ago and various shady governments existed but were kept secret from the population. Space travel had become affordable and a growing industry blossomed. Fresh from a broken relationship and with no prospects, she meets a new fri...