FURVERT!

2020 anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro anus balls black_body black_fur black_nose brown_body butt canid canine canine_genitalia canine_penis canis claws clyde_wolf countershading digital_media_(artwork)erection fur genitals grey_balls grey_sheath knot looking_at_viewer male mammal nude penis pink_anus pink_penis sheath simple_background smile solo spread_legs spreading white_balls white_body white_fur white_sheath wolf