Metaboi, Part 2 by BRK Frank returns to the store for help after discovering the supposedly temporary effects of the ab-expanding shirt he got there weren’t going away, giving him more and more abs. 8 parts Added Jun 2010 Updated 24 Nov 2017 65k views 4.8 stars (17 votes) 31k words •Always Hard•Huge Cock•Hyper Cum•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitongue•Replication•Stacking•Muscle Growth•Getting Taller•Plausible Size Difference•Retcon•Selfcest•Body Swap•Merging•Thanksgiving •M/M•M/M/M
You and I, Part 3 by BRK and Jockmorphr This time the lovers have been apart longer than usual, and they start growing and transforming each other in ways that are more extreme than ever. 4 parts Added Oct 2011 Updated 16 Feb 2019 42k views 4.8 stars (13 votes) 12k words •Always Hard•Cock Growth•Huge Cock•Nipcocks•Nipple Emissions•Multi-abs•Multicock•Multihead•Multiarm•Multilimb•Multipec•Multitorso•Replication•Stacking•Muscle Growth•Muscle/Strength•Getting Handsomer•Tongue Growth•Mouthcock•Selfcest•Infectious•Merging •M/M•M/M/M•M/M/M/...
Blessing or curse by Ultra GMan John has something a lot of guys would kill for a cock that gets bigger when you have certain kinds of sex. But that’s not all it’s cracked up to be—and the change isn’t always for the better. 18 parts Added Jan 2012 67k views 4.8 stars (26 votes) 50k words (#68) •Cock Growth•Huge Balls•Huge Cock•Self-suck•Muscle Growth•Dildos/Toys •M/M
The clockwork dial by RdyRoger A man finds what looks like a beat-up old pocket watch, but when he gets it working again he finds its intricate dials and mechanisms are actually designed to make other guys incrementally—like his roommate Gabe, for example. Added Apr 2012 26k views 4.8 stars (28 votes) 3,603 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Increased Libido•Gradual Change•Age Regression•Getting Hairy
Growing the force by Mad Dog Handsome, red-headed “hot cop” Liam doesn’t notice as his encounter with a skinny ruffian somehow shifts into a patrol with his big, sexy senior partner, Sal. Added Apr 2012 21k views 4.0 stars (5 votes) 4,838 words •Muscle Growth•Muscle/Strength•Retcon
Joey’s genie by RdyRoger Now that he has a genie at his command, Joey is going to go enjoy the world, decides to give his friend Rob a few gifts before he leaves. Added Feb 2009 43k views 4.8 stars (11 votes) 5,218 words •Cock Growth•Huge Cock•Muscle Growth•Muscle/Strength•Pointy Ears•Djin/Jinn/Genie
The Latin twins by RdyRoger A man is gifted by "the watchers" to make changes to himself and others that will last for 24 hours. Two of his escapades are detailed in this story. 2 parts Added Apr 2012 41k views 4.7 stars (9 votes) 7,238 words •Cock Growth•Cock Shrinking•Huge Balls•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength•Gradual Change•Getting Taller•Size Decrease•Size Increase•Race/Ethnicity Change•Suggestion•Incest•Brothers•Dom/Sub
Setting up an account by Ogrebear Metabods customer service is always ready to go that extra step to ensure total satisfaction. Added Apr 2012 12k views 4.3 stars (7 votes) 3,056 words •Multiarm•Multilimb•Muscle Growth•Muscle/Strength
So much cum by Delinqual Cory has a condition that causes him to produce extremely abnormal amounts of semen. It’s not always fun, but it has led to some very memorable moments. Added May 2012 136k views 4.4 stars (21 votes) 2,165 words •Hyper Cum
Spice, Part 36 by Mr. X and Mad Dog Dan’s very happy with the results of his having spiced Phil, who’s now thick, shredded, and very hairy. Which only makes Dan wonder what would happen if he gave Phil an extra half dose… 50 parts Added Oct 2009 Updated 9 Nov 2019 230k views 4.4 stars (61 votes) 221k words (#4) •Cock Growth•Huge Cock•Other Mental Changes•Hyper Muscle•Hyper Strength•Muscle Growth•Muscle Theft•Muscle/Strength•Muscle Worship•Man Scent•Foot Growth•Gradual Change•Transformation•Voice Deepening•Getting Taller•Size Increase•Getting Hairy•Age Difference•Incest•Father/Son•Supernatural•Gay Pride•Alcohol •M/M•M/M/M
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