profnote, kitasan black (umamusume), umamusume, commentary request, highres, 4girls, ahoge, animal ears, black hair, black one-piece swimsuit, competition swimsuit, cowboy shot, from side, hands on own hips, horse ears, horse girl, horse tail, indoors, kouhaku nawa, multicolored hair, multicolored swimsuit, multiple girls, one-piece swimsuit, pool, red eyes, rope, shimenawa, solo focus, streaked hair, swimsuit, tail