FURVERT!

3:4 anal_only animal_genitalia animal_penis anus bdsm blush body_blush body_writing bondage bound butt butt_blush derpx1 equid equine equine_genitalia equine_penis female feral friendship_is_magic genitals group hasbro hi_res horn male mammal my_little_pony mythological_creature mythological_equine mythology penis rarity_(mlp)restraints solo_focus spread_anus spread_butt spreader_bar spreading text text_on_body trio unicorn upside_down writing_on_butt