FURVERT!

2021 5_toes anatomically_correct anatomically_correct_genitalia anatomically_correct_penis animal_genitalia animal_penis anthro anus back_muscles backsack balls big_balls big_butt big_penis brown_body brown_fur butt equid equine equine_genitalia equine_penis feet fur furgonomics genitals horse humanoid_feet kase kneeling male mammal muscular muscular_anthro muscular_male penis perineum plantigrade presenting presenting_hindquarters puffy_anus raised_tail signature simple_background soles solo tail toes