miyama mizuki (hoshihoshi1220), nice nature (umamusume), umamusume, absurdres, highres, 1girl, alternate costume, animal ears, blush, bow, breasts, brown eyes, brown hair, ear bow, ear covers, ear ornament, ear ribbon, green bow, heart, heart hands, horse ears, horse girl, horse tail, looking at viewer, medium hair, meni shuki rush-sshu!, midriff, multicolored hair, navel, open mouth, pink shirt, pink skirt, shirt, skirt, smile, streaked hair, tail, teeth, twintails, upper teeth only