herohero (higashi no dou), mejiro ardan (umamusume), umamusume, commentary request, highres, 1girl, alternate costume, animal ears, black hat, black pants, black shirt, blue hair, blue tail, blush, breasts, closed mouth, crop top, crop top overhang, ears through headwear, full body, hands in pockets, hat, horse ears, horse girl, horse tail, large breasts, long hair, looking at viewer, midriff, navel, pants, ponytail, purple eyes, shirt, shoes, short sleeves, simple background, smile, solo, standing, stomach, tail, white background