rule 34 2017 anthro anus ass bat pony bat wings blush bridle cutie mark dawn sentry dock equine eyebrows eyelashes fan character female feral gag hair hi res hooves looking at viewer looking back lying mammal membranous wings my little pony nude open mouth open mouth gag puffy anus purple hair pussy rear view ring gag shadow sharedast short hair signature simple background slit pupils solo tongue tongue out underhoof white background wings yellow eyes 2673102