anatomically_correct anatomically_correct_genitalia animal_genitalia animal_penis anus ass_up balls butt canine_genitalia canine_penis feral fluffy fur furryrock_(model) genitals green_eyes knot looking_at_viewer looking_back looking_back_at_viewer male paws penis presenting presenting_hindquarters raised_tail rear_view solo director_firewolf arcanine canid canine generation_1_pokemon mammal pokemon_(species)