Symbiotes

Creatures or aliens that facilitate transformation in humans, in return for the pleasure or benefits they derive from the change.

  Child of:  Nonhuman. Related tags:  Aliens;Androids/Cyborgs;Goo People;Symbiotes.

  Tag Group:  Scifi.

This Page: Recently Updated Stories
Parasitic paradise by SomeMuscleGuy
14 stories found Sorted alphabetically Total word count: 105,947

A 2

An airplane parasite by SomeMuscleGuy After bumping into the wrong person at the airport, Michael is infected with a parasite that was on its way to be destroyed. This parasite only has one goal in mind: Growth. Massive Growth. Added Oct 2022 25k views 4.8 stars (29 votes) 4,977 words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Multi-abs•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Butt Growth•Foot Growth•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Destruction/Violence•Nonconsensual change•Infectious•Aliens•Symbiotes •M

Alien implants (revised) by WordShop Three twenty-year-old military brats have a close encounter that leaves behind unexpected surprises for them all. How do three young guys deal with something that they cannot even begin to explain or understand? Not to mention the very strange dreams… 2 parts Added Nov 2017 24k views 3.7 stars (15 votes) 3,079 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Getting Hairy•Symbiotes

B 4

The Black Knights by Meddler Incs Once you join the infamous college team known as the Black Knights, there are only three things that matter: lifting, fucking, and football. 4 parts Added Aug 2016 Updated 19 May 2017 23k views 4.6 stars (27 votes) 6,479 words •Muscle Growth•Muscle/Strength•Symbiotes •M/M•M/M/M/...

The Black Knights: Brandon by Meddler Incs “So ya wanna be a jock, bro?” Baker asks. Yeah, Brandon so wants to be a jock. Added Sep 2018 12k views 4.5 stars (6 votes) 645 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Symbiotes

The Black Knights: Coming home by Meddler Incs When an ex-football player, now a local newspaper reporter, investigates The Black Knights, he gets more than he bargained for. 14 parts Added Oct 2018 Updated 21 Dec 2019 21k views 4.9 stars (15 votes) 24k words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Size Increase•Nonconsensual change•Aliens•Symbiotes •M/M•M/M/M

The book of desires by SomeMuscleGuy After stealing a corrupted book at the gym, Michael is left growing uncontrollably by a Symbiotic Demon that only wants to swell its victims with the most size possible. But even the demon underestimates just how gigantic Michael wants to become. Added Dec 2022 18k views 4.9 stars (9 votes) 7,676 words •Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Cum•Public Orgasm•Multi-abs•Addiction•Hyper Muscle•Hyper Strength•Immobility•Muscle Growth•Muscle Worship•Public Nudity•Butt Growth•Foot Growth•Transformation•Voice Deepening•Getting Taller•Giants•Size Increase•Destruction/Violence•Nonconsensual change•Infectious•Aliens•Symbiotes•Complete•Stories with Images •M

C 1

Cursed compression top by Rurik A cursed compression top will transform its wearer beyond his wildest dreams. 3 parts Added May 2020 Updated 27 Jun 2020 13k views 4.5 stars (15 votes) 3,136 words •Muscle Growth•Transformation•Body Suit•Symbiotes •M/M

L 1

Dragon’s Horde: Lowered into the drink by STrRedWolf Be careful what you drink, because you may become the monster of your dreams before paying the price... your bar tab. Added Oct 2017 11k views 4.0 stars (1 vote) 1,605 words •Huge Cock•Hyper Cock•Multihead•Multiarm•Multilimb•Multipec•Replication•Stacking•Muscle Growth•Muscle/Strength•Giants•Selfcest•Symbiotes•Anthro/Furry•Alcohol

M 1

Matt and his dad by Meddler Incs When Matt comes home to visit his dad, he is forced into being part of The Crew. Added Jun 2020 15k views 4.4 stars (7 votes) 3,343 words •Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Incest•Father/Son•Nonconsensual change•Symbiotes•Hypnosis •M/M

P 1

Parasitic paradise by SomeMuscleGuy After over a year of committing himself to a healthier lifestyle, Kyle finds himself down on his luck about his physical progress. Wanting to cheer him up, his boyfriend, Dom, surprises him with a ritual that is meant to help them grow. What neither realizes is that the being they summoned doesn't just want to see them grow. It wants them to see them ascend. 2 parts Added Oct 2023 Updated 4 Nov 2023 9,177 views 4.8 stars (13 votes) 9,011 words •Always Hard•Cock Growth•Huge Balls•Ball Growth•Huge Cock•Hyper Cock•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Worship•Increased Libido•Foot Growth•Gradual Change•Voice Deepening•Getting Taller•Giants•Size Increase•Dom/Sub•Infectious•Aliens•Symbiotes•Tentacle•Demons •M/M•M/M/M

Q 1

The queen by Dylan Utah As a big muscle alpha on campus, Peter had been used to admiration and envy. What he didn’t expect was to be captured and used for his growing muscles and cock. Added Aug 2020 12k views 4.1 stars (8 votes) 880 words •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Immobility•Muscle Growth•Muscle/Strength•Nonconsensual change•Symbiotes

S 3

It was a dark night by InflatedMuscle Gym rat Dane has an encounter with an alien symbiote, complicating not only his own life but his friends’ as well. 5 parts Added Oct 2022 Updated 15 Oct 2022 13k views 4.8 stars (16 votes) 34k words •Addiction•Straight to Gay•Hyper Muscle•Muscle Growth•Muscle/Strength•Nonconsensual change•Aliens•Symbiotes •M/M

Speedo transformation by bruce That castmate in your high school play with the hot cock, great body, and perfect ass has a secret: special Speedos. And he’s very willing to share. Added Feb 2009 60k views 3.9 stars (17 votes) 2,096 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Transformation•Symbiotes

The suit life by Sithspawn Max’s housemate Jake creates a protoplasmic suit to heal soldiers in the field and decides to try it out at home. What could possibly go wrong? Added Apr 2022 8,503 views 4.8 stars (19 votes) 5,597 words •Cock Growth•Huge Cock•Muscle Growth•Size Increase•Body Suit•Tongue Growth•Nonconsensual sex•Symbiotes•Superhero/Supervillain•Shapeshifting •M/M

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