FURVERT!

anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anus balls butt canid canine canine_genitalia canine_penis canis ebon_lupus erection feral fur genitals grey_body grey_fur hi_res knot knot_in_sheath looking_at_viewer lying male mammal northwestern_wolf on_back outside pawpads paws penis penis_tip presenting presenting_hindquarters sheath solo wolf yellow_eyes