coffeed17, daiwa scarlet (umamusume), umamusume, absurdres, highres, 1girl, animal ears, ass, bikini, breasts, brown hair, brown tail, daiwa scarlet (mini vacation) (umamusume), fang, frilled bikini, frills, from behind, hair between eyes, hair intakes, horse ears, horse girl, horse tail, innertube, large breasts, long hair, looking at viewer, looking back, official alternate costume, official alternate hairstyle, open mouth, pool, red bikini, red eyes, skin fang, slide, swim ring, swimsuit, tail, thighs, water slide, waterpark