FURVERT!

1:1 anus big_butt black_background butt butt_shot close-up crotch_shot equid equine female feral friendship_is_magic genitals hair hasbro horn low_res mammal my_little_pony mythological_creature mythological_equine mythology nude presenting presenting_hindquarters purple_hair rarity_(mlp)simple_background solo unavailable_at_source unicorn unknown_artist vulva