copano rickey (umamusume), umamusume, highres, 1girl, animal ears, ass, black one-piece swimsuit, breasts, brown hair, competition swimsuit, fang, from behind, hair ornament, horse ears, horse girl, horse tail, indoors, karugami chan, large breasts, looking at viewer, looking back, mismatched ear covers, multicolored swimsuit, one-piece swimsuit, pool, racerback, red eyes, smile, solo, swimsuit, tail, tassel, tassel hair ornament, wet