Rule 34 Dev - anthro anus balls big_butt biped blush blush_lines butt erection foreskin fur genitals hooves legs_up lying male on_back penis perineum simple_background solo tail tail_anus tan_background tan_body tan_fur yellow_body yellow_fur securipun dewi_(securipun) bovid caprine mammal sheep 2021 digital_media_(artwork) hi_res|13776281820