rika-kiyoshi, rulership (umamusume), umamusume, highres, 1girl, animal ears, baggy clothes, black shorts, black socks, black tank top, blue eyes, brown hair, dress, grey dress, grey streaks, hair ornament, hair over one eye, horse ears, horse girl, horse tail, hugging own legs, long sleeves, loose socks, multicolored hair, rulership (casual) (umamusume), shoes, short hair, shorts, simple background, socks, streaked hair, tail, tank top, torn clothes, torn dress, white background