Rule 34 Dev - anthro athletic athletic_anthro athletic_male balls biped ear_piercing erection genitals humanoid_genitalia humanoid_penis looking_at_viewer looking_back lying male masturbation nude on_side penile penile_masturbation penis piercing solo spread_legs spreading efenrai efenrai_(character) mammal mustelid otter 5:4 monochrome|1454692925