FURVERT!

animal_genitalia animal_penis crossgender duo equid equine equine_genitalia equine_penis erection female feral feral_focus feralcatalyst friendship_is_magic fur genitals grey_body grey_skin hasbro hi_res horn horse human larger_feral male male/female mammal my_little_pony mythological_creature mythological_equine mythology nude nude_human outside penis pony purple_body purple_fur riding_horse size_difference twilight_sparkle_(mlp)unicorn