My Best Friend’s Muscles

Stories that fall into the series “My Best Friend’s Muscles”.

Authors associated with this series: Mikeytron.

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1 My best friend’s muscles by Mikeytron A group of horny gay researchers develop a new compound that allows unprecedented muscle growth. 5 parts 17k words Added Sep 2021 Updated 13 Nov 2021 40k views 4.8 stars (66 votes) No comments yet •Hyper Muscle•Muscle Growth•Muscle Gut•Muscle/Strength•Gradual Change•Complete •M/M

2 The boarder by Mikeytron Atticus’s family has decided to rent the spare bedroom in their house. The new boarder turns out to be the sexiest hunk Atticus has ever seen. His life is about to change in a big way. A slow-boil coming-of-age muscle-growth romance set in the My Best Friend’s Muscles universe. 18 parts 86k words (#39) Added Feb 2023 Updated 24 Jun 2023 63k views 4.9 stars (150 votes) No comments yet •Cock Growth•Cock Pumping•Huge Cock•Hyper Muscle•Immobility•Muscle Growth•Muscle Gut•Muscle/Strength•Muscle Worship•Man Scent•Belly Growth•Feeding•Getting Handsomer•Gradual Change•Voice Deepening•Plausible Size Difference•Christmas•Thanksgiving•Valentine’s Day•Complete•Alcohol •M/M•M/M/M•M/M/M/...