The leave-behind, Part 4 by BRK Aaron comes to grips with how much he likes having extra fingers, and especially how much more his new augmentations make his jock-hunk desk clerk, Lucas, yearn to be touched by him. 6 parts 22k words Added Aug 2014 Updated 10 Feb 2024 20k views 4.6 stars (18 votes) No comments yet •Extra digits•Multilimb•Straight to Gay•Muscle/Strength•Muscle Worship•Detachable •M/M
Super Hard Planet Champions, Part 3 by BRK Logan and his friends return home, eager to begin training and learn how to be Planet Champions. Their enemies, however, are not interested in waiting. 3 parts 19k words Added Aug 2017 Updated 11 May 2018 15k views 4.3 stars (6 votes) No comments yet •Replication•Muscle Growth•Muscle/Strength•Size Increase•Selfcest•Lycra/Spandex•Aliens•Space Travel
Angelo and Adrian, Part 8 by WordShop Angelo and Adrian are so hot for each other that they’re almost insatiable, and what turns them on even further is the growing awareness that their cocks are somehow growing while they fuck like muscle beasts. 9 parts 43k words (#97) Added Oct 2017 Updated 11 May 2018 28k views 4.5 stars (8 votes) No comments yet •Cock Growth•Muscle Growth•Muscle/Strength•Gradual Change•Hyper Pheromones•Infectious •M/M
Ben’s escapades, Part 6 by Kaelan In the midst of all this amazing growth, Ben has an illuminating encounter with a very appreciative cop who pulls him over for a busted tail light. Meanwhile, Ben’s brother has caught the growth bug… in spades. 9 parts 34k words Added Feb 2018 Updated 15 Jun 2018 64k views 4.7 stars (44 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum•Nipple Emissions•Muscle Growth•Muscle/Strength•Gradual Change•Incest•Brothers •M/M•M/M/M
Best laid plans by Slammdru Everything goes wrong trying to enhance a subject into a vessel of sexual energy. 1,111 words Added May 2018 16k views 3.1 stars (17 votes) No comments yet •Cock Growth•Cockfucking•Huge Balls•Huge Cock•Hyper Cock•Size Increase•Nonconsensual change
Caeman the Conquerer by Tereshky An ambitious general gets more than he bargained for during a ceremony to take over a conquered city in this fantasy-based story. 3,420 words Added May 2018 10k views 4.3 stars (11 votes) No comments yet •Cock Growth•Multiarm•Multilimb•Transformation•Giants•Tongue Growth•Naga•Fantasy Realm
Massive musclemonsters, Parts 1–2 by TonnyGiant Roger meets his new neighbors, three impressively muscled bodybuilders, just as his boss, Dr. Alejandro, experiences a very dramatic breakthrough with a serum designed to produce muscle growth and regeneration. 3 parts 6,902 words Added May 2018 Updated 1 Jun 2018 24k views 4.6 stars (10 votes) No comments yet •Huge Cock•Multi-abs•Muscle Growth•Muscle/Strength•Muscle Worship•Always Shirtless•Giants•Plausible Size Difference•Size Increase •M/M
Night at the carnival, Parts 1–6 by muscl4life Abused and pranked by bullies, a scrawny teen carnival worker finds himself in the Fun House with the magic mirrors only he cares about. Only it turns out the mirrors really are magic—and they have a few ideas about how to make Jimmy’s life better. 6 parts 17k words Added May 2018 19k views 4.4 stars (14 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase•First Time/Virgin•Witch/Warlock/Wizard •M/M
Practice, Parts 3–4 by Massim0 Andrew is really enjoying the results of his experiment with the Yardstick, only… having a huge, heavy cock, and especially having huge, surging balls that produce immense amounts of cum, is making him want more. Way more. 6 parts 14k words Added Apr 2018 Updated 1 Jun 2018 37k views 4.5 stars (41 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Hyper Cock•Self-suck•Hyper Cum •M/M
Raygun-nomics by Ziel Elliot is eager to show his pal Lance his newest invention, but Lance has some ideas of his own how they should use it. 4,755 words Added May 2018 19k views 4.7 stars (9 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Muscle Growth•Muscle/Strength•Giants•Size Increase •M/M
An uneven exchange by Mr Arbitrary Max tries to indulge his foot fetish in secret, but his boyfriend James catches him and makes an unusual exchange. 1,545 words Added May 2018 6,001 views 5.0 stars (8 votes) No comments yet •Wristfeet
|
Share your upgraded-guy story at submit.metabods.com
Share your fantasy at submit.metabods.com (Credit: Artofphoto)