masaki r2, daiwa scarlet (umamusume), umamusume, commentary, highres, 1girl, animal ears, bare shoulders, bikini, blue sky, blush, bow, breasts, brown hair, cleavage, closed mouth, cloud, frilled bikini, frills, hair between eyes, hair intakes, holding, holding swim ring, horse ears, horse girl, innertube, large breasts, long hair, looking at viewer, navel, ocean, outdoors, pink bikini, red eyes, sky, solo, stomach, swim ring, swimsuit, twintails, upper body, very long hair, water