FURVERT!

accessory after_transformation all_fours animal_genitalia animal_penis balls canine_genitalia canine_penis erection eyeless feral foreskin genitals glans line_art male monochrome necktie penis penis_creature petrock retracted_foreskin sheath side_view sketch solo tail tail_genitals tail_penis unusual_anatomy unusual_genitalia_placement unusual_penis_placement unusual_tail