katsushika yuki, rice shower (umamusume), umamusume, highres, 1girl, animal ears, baseball cap, blue shirt, blush, breasts, brown hair, closed mouth, ears through headwear, flag, flipped hair, hair over one eye, hat, holding, holding flag, horse ears, horse girl, horse tail, long hair, looking at viewer, purple eyes, shirt, short sleeves, simple background, small breasts, smile, solo, tail, white background