Rule 34 Dev - 2020 5_fingers abs anthro balls beastars biceps big_penis canid canine canis croiyan erection fingers fur genitals grey_body grey_fur holding_penis humanoid_genitalia humanoid_penis legoshi_(beastars) lying male male_only mammal masturbation multicolored_body multicolored_fur muscular muscular_arms muscular_legs muscular_male navel nipples nude on_back pecs penile penile_masturbation penis simple_background solo triceps two_tone_body two_tone_fur vein veiny_penis wolf|4125011816