big o pants, fio-chan (big o pants), original, commentary request, 1girl, animal ears, ass, bird ears, bird legs, bird tail, blue background, blush stickers, brown feathers, brown wings, feather fingers, feathers, harpy, long hair, looking at viewer, monster girl, no lineart, open mouth, panties, red eyes, red hair, simple background, solo, tail, talons, underwear, upskirt, white panties, winged arms, wings