FURVERT!

5_fingers all_fours anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro anus asinus backsack balls black_hair blush brown_body brown_fur butt digital_media_(artwork)donkey equid equine equine_genitalia equine_penis eyebrows fingers fur genitals grey_background grey_body grey_eyes grey_fur hair half-erect hooves leg_markings looking_at_viewer looking_back male mammal mane markings medial_ring no_pupils nude penis perineum pink_penis presenting presenting_anus presenting_balls presenting_hindquarters raised_tail signature simple_background smile socks_(marking)solo tail tail_tuft tuft underhoof vulgarstarling white_body white_fur