zukki (bijitaru), aston machan (umamusume), umamusume, highres, 1girl, animal ears, black bow, bow, breasts, brown hair, closed mouth, crown, ear ornament, green eyes, hair between eyes, hair ornament, hair scrunchie, horse ears, horse girl, horse tail, large breasts, long sleeves, looking at viewer, medium hair, mini crown, red scrunchie, red sleeves, scrunchie, shirt, simple background, skirt, solo, tail, tilted headwear