rio (lio yuzu), super creek (umamusume), umamusume, highres, 1girl, animal ears, bare shoulders, bikini, blue bikini, blue choker, blue eyes, blush, bow, braid, breasts, brown hair, choker, cleavage, collarbone, ear bow, hair between eyes, horse ears, horse girl, horse tail, large breasts, long hair, looking at viewer, midriff, multicolored hair, navel, open mouth, pool, pool ladder, smile, solo, stomach, streaked hair, swimsuit, tail, very long hair, water, white hair