masaki r2, daiwa scarlet (umamusume), umamusume, commentary, highres, 1girl, animal ears, bare shoulders, bikini, bikini skirt, blue bikini, blush, breasts, brown hair, cleavage, closed mouth, cloud, collarbone, hair between eyes, hair intakes, horse ears, horse girl, large breasts, long hair, looking at viewer, navel, ocean, outdoors, red eyes, sky, smile, solo, stomach, swimsuit, tiara, twintails, very long hair, water