Rule 34 Dev - 2021 anthro anus ass balls big_butt biped blush blush_lines bovid caprine dewi_(securipun) digital_media_(artwork) erection fur furry furry_only genitals hi_res hooves legs_up lying male male_only mammal naked nude on_back penis securipun sheep simple_background solo tail tan_background tan_body tan_fur yellow_body yellow_fur|6128900312