15 Votes
The Throb-Warehouse
When a new global product causes chaos amongst human kind.
Topics: Anal Sex, Muscle, Sci-Fi, Oral & Blowjobs, Body Modification
GayDemon's gay porn library: in this story category you can find erotic Sci-Fi stories involving sex in futuristic settings.
When a new global product causes chaos amongst human kind.
Topics: Anal Sex, Muscle, Sci-Fi, Oral & Blowjobs, Body Modification
Jim and Dennis have bought an old house which they plan to renovate. In the process they discover it has a very well equipped 'fetish dungeon' beneath it and, being into latex and bondage themselves, invite their friends -- The Gang -- round to explore it with them. The discovery of a very strange device leads to an unexpected and permanent change for both of them ...
Topics: Anal Sex, Bondage, Dildo, Rubber, Sci-Fi, Oral & Blowjobs, Body Modification, Latex
Joe's fantasies become real when he has to leave home and moves in with his mentor at university. Short of money, he takes a job in a research lab focussed on mind control ...
Topics: Anal Sex, Bondage, Rubber, Sci-Fi, Mind Control, Oral & Blowjobs, Fucking, Latex
Suffering from ADHD sucks, especially if you are above average intelligence, so when Jason is finally offered a way to beat it, and realise his potential, he opens a door into a whole new life ...
Topics: Bondage, Rubber, Sci-Fi, Sex, Fucking
The Sardar reminds Jack of an anniversary, and a celebration is arranged. Jack and Rod find themselves at the centre of a bondage orgy. With the community now fully integrated, settled and happy, they can look forward to a very happy future.
Topics: Anal Sex, Bondage, Rubber, Sci-Fi, Oral & Blowjobs, Aliens, Fucking, Latex
As Will searches for answers, a deadly conspiracy makes itself known: an intensely erotic encounter years in the making, murder, mayhem, and a little ABBA. Surrender yourself, at your own risk, to the Neon Mist.
Topics: Romance, Coercion, Sci-Fi, Mind Control, Sex, Fucking
CHAPTER 3 - It is the year 2070 and it is a whole different world. A drug that cures every disease has now caused my lover and me to be enslaved to the top jock on campus. The slaves are now split up while the Master takes slave paul to a sex shop.
Topics: Bondage, Punishment, Alpha Male, Sci-Fi, Master & Slave, Domination, BDSM
And then, there I was, in this world.
Topics: Fiction, Sci-Fi
Commander Gib is desperate to save his ship and complete is mission. Will this big cocked creature be able to save him?
Topics: Anal Sex, Rimming, Big Dick, Sloppy Hole, Breeding, Sci-Fi, Big Balls, Aliens
Step bro comes home from college and shows me his big crotch snake, then we go on an adventure together. This is a true story. : )
Topics: Brothers, Jock, Fantasy, Sci-Fi, Humour, Twink, Bromance, Demons
Luke's butt continues to go through changes... luckily he has his best bro Sammy to help him out!
Topics: Sci-Fi, Transformation, Twink, Big Ass, Ass Play
After being enlarged by a reverse shrink ray, a giant COVID-19 virus is thirsty for gay cock and needs five brave men to fill it with their hot loads.
Topics: Group Sex, Slut, Cum Dump, Sci-Fi, Gangbang, Monster
The Galaxy’s biggest prostitute, Owen, goes back to the bunk of an alien he hooked up with in a bar. But he find that they’re not alone.
Topics: Anal Sex, Big Dick, Group Sex, Sloppy Hole, Bareback, Sci-Fi, Smells, Size Difference, Aliens, DILF, Deep Throat
A lone hunter has a strange encounter with a beast in the forest
Topics: Big Dick, Outdoor, Breeding, Sci-Fi, Smells
Mel a 18 yo skinny nerd was about to become an adult. He always had thoughts how it would be to become a young sexy girl. His parents knew he was gay. Mel when he was 16 yo ran up to a boy he liked and kissed him on the lips. The school board had mel transferred to another school. Parents did not want their boys subjected to gay situations.
Topics: Transgender, Sci-Fi, Transformation, Slave Training
Interactive simulation narrative of the inspiring life of Ventress, the titular character.
Topics: Sci-Fi, Role Play
The world is left to the Bots, known as Users. Two of which, Digit and Flux; explore their physical love relationship. Digit overcoming his physical defected paranoia.
Topics: Anal Sex, Romance, Sci-Fi, Love
Welcome to dystopian world of Modern. Meet Jacks and Terminal, both high ranking soldiers. It's clear Terminal is hot under the collar. Jacks decides to help him with that, regardless of the risks?
Topics: Fiction, Sci-Fi, Electro, Seduction, Sex, Dystopian
A Zenon takes over a human body on Earth in order to survive
Topics: Big Dick, Sci-Fi, Transformation, Kissing
A young man moves into his uncle's home, a large Georgian house, but soon learns that all is not quite as it seems.
Topics: Anal Sex, Bondage, Rubber, Sci-Fi, Oral & Blowjobs, Aliens
The Diaconate is overthrown, now there must be a reckoning and a future ... This concludes this story.
Topics: Anal Sex, Bondage, Rubber, Sci-Fi
Abducted, naked and alone, a man is raped by his captor. Alone, desperate and hopeless, an alien commits an unforgivable act in order to preserve the continuation of his species. Even if it means he will destroy the human he loved.
Topics: Breeding, Sci-Fi, Rape, Male Pregnancy, Aliens
Chapter One - This is a story about how I changed my gay life to a bisexual life through time travel, I have more chapters in my head that involve incest, and sex with myself. I hope to get the chapters out of my head and into type.
Topics: Romance, Bisexual, Incest, Outdoor, Sci-Fi, Sex, Fucking, Love
This is a rewritten version of an older story I wrote. It is halloween and Josh's best friend loves to go to halloween costume parties. Josh hates dressing up and gets forced to deal with the decision wether to not go or to break out of his shame and show off as a superhero.
Topics: Muscle, Big Dick, Forced, Spandex, Superhero, Transformation
Now the fun and torture begins!
Topics: Muscle, Enema, Military, Edging, Sci-Fi, Aliens
The prime minister of Southern Britain is in heat at an inconvenient time. He hasn't been bred for a long time. This all changes when he is visited by the president of the African Union and his son, both of them muscle studs who are used to getting what they want. Contains incest and mpreg.
Topics: Anal Sex, Big Dick, Incest, Breeding, Sci-Fi, Oral & Blowjobs, Male Pregnancy, Domination
Mark was abducted by aliens. He was one of several gay men who were being used as temporary sex slaves and alien baby incubator. They were fucked by master aliens who were breeders. Mark and Co would give birth a few days later.
Topics: Anal Sex, Breeding, Sci-Fi, Aliens
Liam discovers he can partake in his favorite hobby even when enlisted in the Union's space army. Liam's hobby is taking dick.
Topics: Anal Sex, Rimming, Big Dick, Creampie, Slut, Interracial, Military, Cum, Bareback, Sci-Fi, Ass to Mouth, Kissing
In a future society the government tries to eliminate crime by using a controversial medical procedure. Chico becomes a victim of this, but he finds an unlikely friend who can help him.
Topics: Anal Sex, Dildo, Sci-Fi, Medical
The residents of 201 Fremont Lane get a visit from Agent 157 from the Agency of Mandatory Pleasure. He warns them that they haven't been having enough sex, that the State has noticed, and that there will be consequences.
Topics: Voyeurism, Frotting, Coercion, Sci-Fi