Gay Sci-Fi Stories

GayDemon's Stories: On this page you can find erotic fiction where you can read about futuristic gay sex and sci-fi.

My AI Boss Sold My Ass to Asteroid Miners

By Del Crane 4 Jul 2025

AI and robots does most jobs Ai’s run most corporations. World wide, young people live in huge single sex dorms. Gay Lenny, to get out of his dorm, gets sold for 5 yrs., as a sex slave, to miners in Asteroid Belt.

7.6 (10) 865 13 Min Comments

The Order (ch. 3)

By Brad A Townsend 4 Jul 2025

The Order is a long story (30 Chapters) with a continuation entitled The Gifts (20 Chapters). It's an Epic Adult Gay Contemporary Fantasy about ten men, five couples, who become one soul. Former military, they find themselves caught up in an epic battle of good vs evil, and must discover unconditional love for themselves and each other to survive.

9.8 (6) 172 52 Min Comments

The Order (ch. 2)

By Brad A Townsend 3 Jul 2025

The Order is a long story (30 Chapters) with a continuation entitled The Gifts (20 Chapters). It's an Epic Adult Gay Contemporary Fantasy about ten men, five couples, who become one soul. Former military, they find themselves caught up in an epic battle of good vs evil, and must discover unconditional love for themselves and each other to survive.

8.5 (6) 230 55 Min Comments

The Human Bearer (ch. 17)

By Daemon D. Hart 2 Jul 2025

A pregnant Riordan needs to serve as stimulation for seth - and cum - production in front of Lewis's many snakemen husbands.

9.3 (7) 1786 14 Min Comments

The Order

By Brad A Townsend 2 Jul 2025

The Order is a long story (30 Chapters) with a continuation entitled The Gifts (20 Chapters). It's an Epic Adult Gay Contemporary Fantasy about ten men, five couples, who become one soul. Former military, they find themselves caught up in an epic battle of good vs evil, and must discover unconditional love for themselves and each other to survive.

9.3 (7) 1039 49 Min Comments

Body take

By shifterfic 28 Jun 2025

Jock's body get's taken over by his neighbour and fucks his flatmate.

8.9 (29) 1847 17 Min Comments

Heat, Memory and Riley

By Blue moon 27 Jun 2025

It is the start of a new life of Kai, he *was* a normal men but future will bring great changes to him, literally.

8.4 (6) 435 10 Min Comments

Becoming Wesker's Experiment (ch. 2)

By Layla 24 Jun 2025

The inside of the torn building where Alpha was bringing Chris to was as horrific as the hunk remembered it to be during his failed first mission.

9.2 (20) 2396 18 Min Comments

Debt Camp

By Local 22 Jun 2025

When the economy nosedives in the late 2020s, Bronze Wallet Financial Services repossesses Gen-Alpha influencer John Magee's future, licensing him into Amazon’s “Debt Camp” warehouse.

9.5 (35) 2297 6 Min Comments

Debt Camp (ch. 2)

By Local 22 Jun 2025

Gen-Alpha influencer John Magee is seized for sky-high debt, he’s thrust into Amazon’s punishing “Debt Camp,” where every flex is livestreamed, for a price he might never pay off.

9.7 (28) 1516 20 Min Comments

The Human Bearer (ch. 16)

By Daemon D. Hart 21 Jun 2025

Riordan is going head to head with High Commander Kanto Vai, and ends up being punished for his disobedience of the rules.

9.4 (5) 635 20 Min Comments

A Long Way Home

By Grant 17 Jun 2025

They were finished with their mission into deep space and heading back, when something went wrong.

9.6 (73) 1794 40 Min Comments

Trapped

By trappedinthecl0set 16 Jun 2025

In future dystopia, gay man is forced to suck straight dick.

6.9 (31) 4204 12 Min Comments

The Last Neighbors (ch. 4)

By DaddyDom 13 Jun 2025

He began to rub my skin, his fingers tracing the lines of my muscles. His touch was light, almost feather-like, but it sent shivers down my spine. I watched as his hand moved higher, his fingers brushing against the sensitive skin of my inner thigh. My breath hitched in anticipation, my body arching into his touch.

9.5 (13) 556 9 Min Comments

The Last Neighbors (ch. 3)

By DaddyDom 11 Jun 2025

I turned to see him standing there, naked with his cock hanging heavy. A beautiful bush of pubic hair exposed. He walked up to me slowly, his eyes never leaving mine, and laid a hand on my chest. 

8.6 (14) 609 11 Min Comments

The Stereotype Ray

By AstroGuy42 10 Jun 2025

A cat burglar steals the fabled Stereotype Ray and tests it on an unsuspecting townsman.

9.3 (21) 1345 12 Min Comments

The Last Neighbors

By DaddyDom 7 Jun 2025

In a world suddenly silenced, Matthew awakens to an eerie quiet, finding all electronics dead and his neighborhood deserted. He begins to think he's the last man on earth until he encounters Jason, a friendly face in the emptiness. Together, they navigate the deserted streets, seeking answers and each other's company.

8.5 (25) 1066 11 Min Comments

The Human Bearer (ch. 15)

By Daemon D. Hart 6 Jun 2025

Riordan has fun with his snakeman husband Xana, who's obsessed with his pregnant belly. Kyle the bot informs him later that Tasha and Xer don't appear to be on the planet anymore, just before disaster strikes.

9.4 (8) 625 15 Min Comments

The Human Bearer (ch. 14)

By Daemon D. Hart 31 May 2025

Riordan experiences his snakeman's bifurcated tongue on his balls, his snake tail in his all available holes and the pleasure of having his belly filled with alien cum.

9.7 (10) 801 14 Min Comments

Serum 3379 (ch. 3)

By ShawnTVWrites 27 May 2025

Julian learns the effects of the drug trial and how ther was a mix up that has changed him potentially forever.

9.2 (26) 3884 14 Min Comments

Bill and Me and the Heliopause

By Petr-Johan 24 May 2025

Two gay men find that the rest of their lives will be spent together in space.

6.6 (15) 785 4 Min Comments

Haven P. 1 (ch. 3)

By ShawnTVWrites 20 May 2025

The team from Haven meet the survivors of the Earths Cataclysm, learn and prepare for war.

9.5 (8) 261 18 Min Comments

Saving The Twink and ... (ch. 2)

By Mr.X 18 May 2025

Carter gets his fuck on the spanking bench and more than he bargained for after learning a guy can have an orgasm just from rimming. He will Double Fist Ethan to a fantastic cum as they drench each other in a waterfall of man cum.

9.9 (79) 2590 12 Min Comments

Submission at the Oasis

By Zander Saldana 2nd 12 May 2025

Space Marine Jareth is lost after a battle wipes out his platoon. He learns to submit and how he's going to serve in a new life. This is campy smut with space marines, tentacles, and twist I hope you like.

8.8 (27) 2264 13 Min Comments

My beautiful country

By Young_Master 8 May 2025

The year is 2015. The Confederate States of America celebrates the 150th anniversary of winning the Civil War. As a result of America's strength, slavery remains in force to this day. Both the slave and the Master must be at least 18 years old.

6.7 (27) 2052 10 Min Comments

The Academy (ch. 3)

By Rochin 26 Apr 2025

Akeem introduces Eron to a new friend and they have a gay old time. Eron loses his anal virginity.

9.0 (7) 583 21 Min Comments

Serum 3379 (ch. 2)

By ShawnTVWrites 23 Apr 2025

Julians' body has adjusted to the drug trial and it has made him horny. Like super horny - among other side effects. The horniness should be the least of his concerns.

9.4 (30) 5123 16 Min Comments

Haven P. 1 (ch. 2)

By ShawnTVWrites 15 Apr 2025

The journey to the ground continues and the crew makes an astonishing discovery.

9.0 (10) 713 18 Min Comments

In Seclusion

By Grant 14 Apr 2025

Gustave wanted to a place he could live as he choose. A place he didn't have to worry about what others thought. No one could guess to what lengths he would go to get it.

9.6 (33) 1279 84 Min Comments

A Soldier's Duty (ch. 2)

By B David Ethan 8 Apr 2025

Dan cruises the base's gym for a pump and finds way more than he bargained for.

9.5 (48) 2301 9 Min Comments

Alex, Hive Mother

By Alex Aims 7 Apr 2025

Alex thought John was just a hot new coworker—until a steamy stockroom encounter revealed John’s alien secret. Now trapped in a pulsating hive, Alex births a monstrous brood, his body no longer his own.

9.2 (25) 2985 28 Min Comments

James the Space Diplomat

By Oliver V. Cub 7 Apr 2025

It is thousands of years after Earth discovers space-travel. Sex has become an important tool for an intergalactic diplomat. This story follows our stocky space cadet, James, on his visit to an alien planet. When the planet's leader takes a liking to him, will his can-do attitude leave a good impression for Earth?

9.6 (45) 1247 8 Min Comments

Serum 3379

By ShawnTVWrites 2 Apr 2025

Julian Hayes enrolls in an experimental weight loss drug trial, hoping for a fresh start and a boost of confidence. After a heated morning with Monty—his insufferably charming, would-be boyfriend—Julian heads to the clinic for his first injection.

8.5 (40) 6480 16 Min Comments

The Academy (ch. 2)

By Rochin 30 Mar 2025

As the start of term draws closer and more students arrive, Eron has his first sexual experience with another guy.

9.3 (16) 949 14 Min Comments

Slavery in Albion

By Mattspank 26 Mar 2025

A fantasy about a Great Britain which has legalised slavery for men

8.5 (31) 2473 18 Min Comments