Rule 34 Dev - animal_genitalia animal_penis black_mane blue_eyes blush chest_tuft cutie_mark duo equid equine equine_penis female feral fur furry genitals grey_body grey_fur hi_res hooves horse inner_ear_fluff male mammal mane medial_ring my_little_pony pegasus penis pony straight tuft white_body white_fur whitepone wings|4420633680