FURVERT!

1:1 animal_genitalia animal_penis anthro anus balls bottomless bottomless_anthro bottomless_male brown_body brown_fur butt clothed clothing equid equine equine_genitalia equine_penis erection fur genitals grey_background hi_res horse low-angle_view male mammal medial_ring penis perineum shaft_divide simple_background solo tail tail_tuft tuft vein veiny_balls veiny_penis xing1