Rule 34 Dev - 2015 abs alternate_version_available animal_genitalia animated anthro ball_growth balls balls_expansion barefoot beard biceps big_balls big_penis black_hair black_nose body_hair bottomless canine chest_hair claws clenched_teeth clothed clothing edit facial_hair growth hair huge_balls huge_cock humanoid_penis hyper hyper_balls hyper_muscles hyper_penis loop male mammal manly monochrome muscle_growth musclegut muscular muscular_male mustelid nipples nude otter partially_retracted_foreskin paws pecs penis penis_growth rubberskunktoo simple_background smile solo standing teeth topless transformation uncut vein veiny_penis were werewolf|2312290576