1girl, animal ears, babydoll, bed sheet, bra, breasts, closed mouth, ctrl+z, daiwa scarlet (umamusume), fang, from side, hair intakes, hair spread out, horse ears, horse girl, large breasts, long hair, looking at viewer, lying, navel, on back, panties, red eyes, red hair, smile, solo, stomach, thighhighs, tiara, twintails, umamusume, underwear, underwear only, very long hair