akari 0313, t.m. opera o (umamusume), wonder acute (umamusume), umamusume, highres, 2girls, alternate costume, alternate hairstyle, animal ears, bare shoulders, bikini, black bikini, blue eyes, blush, breasts, choker, cleavage, closed mouth, collarbone, flower, frilled choker, frills, green eyes, grey hair, hair between eyes, hair bun, hair flower, hair ornament, holding, holding swim ring, horse ears, horse girl, horse tail, innertube, jewelry, long hair, long sleeves, looking at viewer, multicolored hair, multiple girls, navel, necklace, open clothes, orange hair, pink bikini, pink skirt, purple eyes, see-through clothes, see-through shirt, shirt, short hair, skirt, smile, stomach, streaked hair, swim ring, swimsuit, tail, thigh strap, white shirt