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.

Elias

By Metullus 23 Jul 2025

At nineteen, Elias awakens in a sterile, unfamiliar facility. His memories are scattered, his body subdued by medication. Faceless staff, restrained wrists to ankles, he question the purpose of his confinement. As unsettling routines unfold, Elias must search for the truth of his existence and the forces shaping.

8.4 (34) 3330 7 Min Comments

The Order (ch. 13)

By Brad A Townsend 21 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 (7) 132 72 Min Comments

The Order (ch. 12)

By Brad A Townsend 19 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.

9.7 (4) 107 96 Min Comments

The Order (ch. 11)

By Brad A Townsend 18 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.

9.7 (4) 117 88 Min Comments

The Order (ch. 10)

By Brad A Townsend 17 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.

9.7 (4) 102 82 Min Comments

Polarity

By KinklyStar456 16 Jul 2025

In a future where desire is programmable, straight men test “Polarity Bands” to monitor arousal. But one volunteer—confident, athletic, and strictly straight—gets a glitched device. With every involuntary moan, his settings shift. He still thinks he’s in control… until his body betrays him, his thoughts twist, and his legs spread.

8.9 (39) 2522 3 Min Comments

The Order (ch. 9)

By Brad A Townsend 16 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.

9.7 (4) 138 87 Min Comments

Serum 69X

By KinklyStar456 13 Jul 2025

The alpha jock and The strange serum. Lucas rules the locker room—until he drinks a bottle labeled Serum 69X. His body mutates bigger, harder, leaking… and his hole starts twitching for cock. Enter Jayden. One look at Lucas begging to be bred, and Jayden takes charge. Now the jock is bent over, moaning, transforming with every thrust.

9.2 (47) 3101 2 Min Comments

The Order (ch. 8)

By Brad A Townsend 13 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 (5) 121 53 Min Comments

The Order (ch. 7)

By Brad A Townsend 11 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.

9.7 (4) 140 84 Min Comments

Jungle Lust: Ethan's Tentacle Surrender

By teenhungtop 10 Jul 2025

Ethan Kane, a 21-year-old rugby god, stirred in the tangled sheets of his king-sized bed, his body sprawled across the mattress like a sculpted monument to masculine perfection.

9.0 (59) 4823 21 Min Comments

Sperm donor

By Metullus 10 Jul 2025

Brad is a freshman at Saint Blasius' College. He's abducted by an alien who is collecting sperm. Brad is the alien's latest project.

9.1 (40) 3001 11 Min Comments

The Order (ch. 6)

By Brad A Townsend 9 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.

9.7 (4) 130 70 Min Comments

The Order (ch. 5)

By Brad A Townsend 6 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.

9.7 (4) 146 59 Min Comments

The Order (ch. 4)

By Brad A Townsend 5 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.

9.7 (4) 151 62 Min Comments

Alien Unknown

By Wyatt 4 Jul 2025

Wyatt, a senior in highschool, has his life flipped upside down one day after soccer practice. Will he be able to fight the unknown? To fight the urge to give an alien what it desires most from him?

8.6 (35) 4310 18 Min Comments

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) 894 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) 173 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) 232 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.

9.4 (8) 1897 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) 1051 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) 1877 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) 437 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) 2502 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) 2384 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) 1578 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) 674 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) 1816 40 Min Comments

Trapped

By trappedinthecl0set 16 Jun 2025

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

6.9 (32) 4363 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) 576 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) 622 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) 1392 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) 1087 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) 664 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) 838 14 Min Comments