4_toes animal_genitalia animal_penis anthro anus balls black_pawpads blush bodily_fluids brown_body brown_fur butt canine_genitalia canine_penis claws detailed_background digitigrade erection feet forest fur genitals glowing glowing_eyes grass knot legs_up licking licking_lips licking_own_lips looking_at_viewer lying male nipples nude nude_male on_back on_ground outside pawpads paws penis perineum plant presenting presenting_anus presenting_balls presenting_hindquarters presenting_penis rock self_lick sheath solo spread_anus spread_butt spread_legs spreading teeth toe_claws toes tongue tongue_out tree tuft white_body white_fur yellow_eyes anonymous_director canid canine canis mammal were werecanid werecanine wolf