FURVERT!

64k animal_genitalia animal_penis anus balls big_butt black_background black_hair bridle butt dark_body demonic draft_horse equid equine equine_genitalia equine_penis erection feathering feral fur genitals glowing glowing_anus gypsy_vanner hair harness hi_res hooves horse long_hair male male_feral mammal medial_ring mount penis presenting presenting_hindquarters puffy_anus raised_tail red_anus red_eyes saddle sheath simple_background solo tack tail v_rising vampire