FURVERT!

anthro anus anus_focus bent_over big_anus big_breasts big_butt black_hair bodily_fluids breasts brown_body brown_fur butt butt_grab clothed clothing clothing_aside dock_(anatomy)equid equine equine_anus female fingering fingering_self fur genital_fluids genitals hair hand_on_butt hi_res horse mammal masturbation mostly_nude presenting presenting_hindquarters raised_tail solo spread_anus spread_butt spreading sweat tail tail_anus tail_aside thong thong_aside thong_only topless underwear underwear_aside underwear_only vaginal vaginal_fingering vaginal_fluids vaginal_masturbation vulpevex vulva