hawawa (hawawauma), mejiro palmer (umamusume), umamusume, highres, 1girl, animal ears, arm up, bare shoulders, bikini, blue eyes, blush, bracelet, braid, braided ponytail, breasts, brown hair, clothes around waist, goggles, goggles on head, green bikini, hair between eyes, holding, holding water gun, horse ears, horse girl, horse tail, jacket, jacket around waist, jewelry, multicolored hair, navel, one eye closed, open mouth, sandals, smile, solo, stomach, streaked hair, swim goggles, swimsuit, tail, water, water gun, white hair, white jacket, yellow bikini