FURVERT!

a.o.kigahara_(artist)animal_genitalia animal_penis anus balls black_body black_fur black_nose black_pawpads blue_anus blue_claws blue_eyes blue_penis canid canine canine_genitalia canine_penis canis claws feral fur genitals grey_balls hi_res knot knotted_penis male mammal pawpads penis sheath solo tail_anus taka_(artist)whiskers wolf