haiwo, lucky lilac (umamusume), umamusume, commentary request, highres, 1girl, against railing, alternate costume, animal ears, bikini, black bikini, breasts, brown hair, cowboy shot, ear covers, ear ornament, horse ears, horse girl, horse tail, large breasts, long hair, multicolored hair, navel, purple eyes, railing, simple background, smile, solo, stomach, streaked hair, swimsuit, tail, tracen swimsuit, very long hair, white background, white hair