GayDemon's gay porn library: in this story category you can find erotic Sci-Fi stories involving sex in futuristic settings.
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, Cum Swallow
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
Pete, a writer, is abducted by a strange alien race, but his friend Mike sees what is happening and jumps at the chance it offers. When they wake up in Pete's home, several things have changed permanently ...
Topics: Anal Sex, Bondage, Romance, Abduction, Rubber, Sci-Fi, Aliens, Fucking, Latex
More adventures during captivity. The kinkiest yet with more to cum later. This has a bit more story line in the beginning. I wanted to give hints for future stories as well.
Topics: Anal Sex, Rough Sex, Sci-Fi, Oral & Blowjobs, Rape, Aliens
This is the third part and the Doom Marine, Flynn Taggart, wins out
Topics: Anal Sex, Bareback, Sci-Fi, Aliens, Marine
Trying out a bro's new sex robot.
Topics: Anal Sex, Straight Men, Rimming, Bareback, Sci-Fi, Fucking, Robot
Thomas's first day as the master. He gets some filthy loving revenge on his boys.
Topics: Piss, Big Dick, Humiliation, Incest, Sci-Fi, Small Cock, Master & Slave, Degradation
Nathan met the brothers only a few weeks prior. Now, a work incident that very nearly cost Nathan his life gives the brothers a chance to return the favor, and gives Nathan another chance to take a much closer look at both the brothers and their sexy super briefs.
Topics: Forced, Spandex, Superhero, Underwear, Oral & Blowjobs
Rob has a respectable job and a handsome boyfriend. Like everyone, he lives his life under the close scrutiny of cameras and public opinion. But when Rob gets a ticket for smoking a cigarette, it takes him on a journey into the night world of his city and perhaps out of view of the omnipresent cameras.
Topics: Poppers, Infidelity, Sci-Fi, Oral & Blowjobs, Boyfriends
This is not a feelgood story, quite the opposite. It’s a warning, an imagining of how things could become, especially if we had stayed on the path we had been on.
Topics: Anal Sex, Fiction, Sci-Fi, Oral & Blowjobs, Fucking, Dystopian
Jake's big day has come, and the wedding has a surprise attendee.
Topics: Brothers, Daddy, Incest, Military, Grandpa, Sci-Fi, Dad & Son, Sex, Male Pregnancy, Young Top, DILF, Fucking
Two related fragments. Football in the future.
Topics: Piss, Sportsmen, Sci-Fi, Exhibitionism, Oral & Blowjobs, Master & Slave
We have come a long way in Genetic Engineering this past century. Now we are able to build artificial men, the perfect men to fulfill your every desire. The possibilities are endless.
Topics: Bondage, Big Dick, Alpha Male, Edging, Sci-Fi, Mind Control, Master & Slave, Domination, Submission, BDSM, Control, Cum Control
Something about getting a dangerous man so venerable just does it for me. Do I really have control over this Cartel boss?
Topics: Latin Men, Big Dick, Sci-Fi, Sex, Bubble Butt, Hispanic, Fucking
Will the aliens be able to use Stevie in their plan to occupy Terra?
Topics: Big Dick, Sci-Fi, Sex, Aliens
Clones are not 'people'. They were created as live sexual mannequins, and fetish objects. Carefully engineered to have no emotional responses and little self-awareness, but be fully responsive to sexual stimulation, and some tailored to specific fetish tastes. But then someone tried to improve the clones ...
Topics: Bondage, Romance, Rubber, Sci-Fi, Sex, Fucking, Latex
Hi all I know it been a couple or more years since I did a new chapter here it is VIRAL ENHANCEMENT UK CHAPTER 13: NEAR UK WATERS. I am writing the next chapter at this moment. Some sex in this one and solo fun more will be coming in the next chapter.
Topics: Fiction, Big Dick, Military, Sci-Fi, Sex
Scrawny 16-year old Rick was selected for a newly developed herbal drug to enhance male hormones. The outcome was, let's say, a little shocking?
Topics: Big Dick, Sci-Fi, Twink, Sex, Monster
Floatering - - a truly remarkable experience that is born from the fruits of weightlessness, it adds a new dimension to shared intimacy.
Topics: Shower, Sci-Fi, Sex
With desperation reaching new highs, the Rags were will to do anything. Anything! Fucking straight guys had never been so much fun. Golden Days!
Topics: Straight Men, Forced, Sci-Fi, Master & Slave, Control
Beau's strange, incense burning, gay roommate convinces him to be the model for a revolutionary new sex toy he's developed. What could go wrong?
Topics: Straight Men, Dildo, Roommate, Sci-Fi, Supernatural, Straight to Gay
2nd part of my Commander Cody series. Space, violence, and romance. Please leave comments, emails, or something to let me know what you think.
Topics: Big Dick, Spanking, Hairy men, Romance, Military, Sci-Fi, Oral & Blowjobs, Violence
35 year old Trey Wallace is going to see find out first hand if there is intelligent life somewhere else. But what will it cost him?
Topics: Anal Sex, Straight Men, Abduction, Sci-Fi, Medical, Aliens, Horror
The paralysis will pass in a few moments. Just relax and listen. You have been selected to be the lead member of an experimental group. You are no longer on the Earth. We have transported you across space to a world far beyond your species knowledge. You will be told more soon but for now please try to relax and let the recovery process run it's course.
Topics: Anal Sex, Fiction, Bareback, Sci-Fi, Oral & Blowjobs