1girl, alternate costume, animal ears, belt, black hair, blue eyes, braid, breasts, commission, crown braid, glasses, glorious azure costume (umamusume), gloves, horse ears, horse tail, large breasts, long hair, looking at viewer, open mouth, pixiv commission, simple background, solo, tail, thighhighs, umamusume, yuutopia, zenno rob roy (umamusume)