A.I. by Corwin Tim’s homemade A.I. software decides to help him get huge. 11 parts 31k words Added Dec 2013 87k views 4.8 stars (47 votes) No comments yet •Huge Cock•Cum Milking•Addiction•Hyper Muscle•Muscle Growth•Muscle/Strength•Muscle Worship•Gradual Change•Plausible Size Difference•Size Increase•A.I.-Controlled Change•Destruction/Violence•Restraints•Androids/Cyborgs•Complete •M/M
The beast by NoGoodAlias After a lonely night of drinking, Aaron decides to look for a hookup on a throw-away dating site. But when he finds more than he could have imagined, his night turns from an empty slog to a tremendous experience. 3,235 words Added Sep 2022 10k views 4.8 stars (21 votes) No comments yet •Huge Balls•Huge Cock•Hyper Cock•Hyper Cum•Muscle Breast•Man Scent •M/M
The bet by JayPat A simple operation can turn you into a hunk as hot as the football players you dream about. Do you even ask what the downside is? 4 parts 32k words Added Oct 2012 47k views 4.7 stars (30 votes) No comments yet •Muscle Growth•Muscle/Strength•Size Increase•Suggestion •t/t
The biggest so far by MaxMorphs I’ve always been fascinated by big penises, ever since I can remember. And so it happened that after finding my first legendary dick, the titanic cocks just kept coming. It almost felt like I was destined to find and pleasure them. My luck is limitless. And so, apparently, are some guys’ dicks. Here are some stories of guys I’ve been with. 7 parts 7,872 words Added May 2022 Updated 27 May 2023 24k views 4.8 stars (30 votes) No comments yet •Cock Growth•Cock Pumping•Huge Cock•Hyper Cock •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 50k words (#84) Added Jan 2012 73k views 4.9 stars (27 votes) No comments yet •Cock Growth•Huge Balls•Huge Cock•Self-suck•Muscle Growth•Dildos/Toys •M/M
The body spray by Coalth Bodybuilder Kevin, needing a little armpit spray, spots a strange brand of deodorant in the gym vending machine and decides to give it a try. 6 parts 5,880 words Added Mar 2013 46k views 4.9 stars (18 votes) No comments yet •Huge Cock•Muscle Growth•Muscle/Strength•Public Nudity•Man Scent•Gradual Change•Human to Animal/Anthro•Hair Growth/Getting Hairy•Anthro/Furry •M/M
Book of Adam by World Muscle The story of Adam begins with a young man who just wants to have confidence in himself and his body. Little did he know that wishes are a powerful thing. 2 parts 6,775 words Added Nov 2020 Updated 6 Feb 2021 16k views 5.0 stars (12 votes) No comments yet •Muscle Growth•Muscle/Strength•Getting Taller•Size Increase •t•NS
Centurion of light by Ravine Mountain A great new story in which a centurion, Marcus, and five of his best men are transformed by the god Mars—and charged with a mission. 12 parts 38k words Added May 2014 Updated 5 Jan 2019 61k views 4.9 stars (50 votes) No comments yet •Cock Growth•Huge Cock•Hyper Cock•Nipcocks•Hyper Cum•Nipple Emissions•Multi-abs•Muscle Growth•Muscle/Strength•Voice Deepening•Size Increase•Incest•Twins•Demons•Pagan gods•Ancient Era •M/M•M/M/M•M/M/M/...
Danny gets big by StudMscl Danny is unexpectedly given some brown paper packets that are supposed to turn him into everything he wishes he were. He quickly learns that changing your body changes your life in unexpected ways. 3 parts 9,501 words Added Nov 2003 70k views 4.6 stars (20 votes) No comments yet •Cock Growth•Huge Cock•Straight to Gay•Muscle Growth•Muscle/Strength •M/M
Morphling by Apollo’s Meat A freshman college student takes home hot, freaky Seth, and later puzzles over what Seth called him: "morphling". 2 parts 3,693 words Added Feb 2014 Updated 31 Mar 2014 29k views 4.9 stars (15 votes) No comments yet •Cock Growth•Hyper Cock•Hyper Cum•Muscle Growth•Muscle/Strength•Transformation •M/M
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