1girl, :d, animal ears, bikini, blue ribbon, breasts, brown hair, ear ribbon, horse ears, horse girl, horse tail, looking at viewer, medium breasts, multicolored hair, navel, oimanji, open clothes, open shirt, purple eyes, ribbon, shirt, short hair, simple background, smile, solo, special week (umamusume), streaked hair, swimsuit, tail, umamusume, white background, white bikini, white hair, white shirt