Lucky thirteen by anonymous submitter Ryan’s boyfriend comes with him to the test center for experimentation with a serum to multiply body parts. 2,973 words Added Mar 2020 7,629 views 4.1 stars (7 votes) •Cock Growth•Huge Balls•Huge Cock•Extra digits•Extra facial features•Extra Mouths•Multi-abs•Multi-balls•Multicock•Multihead•Multiarm•Multileg•Multilimb•Multipec•Replication•Stacking•Getting Taller•Giants•Selfcest
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