FURVERT!

1:1 anus bdsm bondage bound chain chained cutie_mark equid equine female feral friendship_is_magic fur genitals hair hasbro hi_res horn mammal multicolored_hair my_little_pony mythological_creature mythological_equine mythology night purple_body purple_fur purple_hair quadruped rumblealex sad solo submissive submissive_female tail twilight_sparkle_(mlp)two_tone_hair unicorn vulva