kouzuki hajime, satono crown (sunny island splendor) (umamusume), satono crown (umamusume), umamusume, highres, 1girl, animal ears, bare shoulders, beach, bikini, black hair, blue bikini, blue sarong, blush, breasts, cleavage, cup, ears through headwear, floral print bikini, floral print sarong, flower, green eyes, hair between eyes, hat, hat flower, holding, holding cup, horse ears, horse girl, horse tail, jewelry, kneepits, long hair, looking at viewer, medium breasts, necklace, ocean, official alternate costume, official alternate hairstyle, open mouth, outdoors, sandals, sarong, smile, solo, straw hat, sun hat, swimsuit, tail, water