herohero (higashi no dou), mejiro ardan (umamusume), umamusume, commentary request, highres, 1girl, alternate breast size (larger), animal ears, black boots, black pantyhose, blue hair, blush, boots, breasts, capelet, cleavage, closed mouth, comiket 107, dress, hat, high heel boots, high heels, holding, holding sack, horse ears, horse girl, horse tail, huge breasts, large breasts, long hair, pantyhose, purple eyes, red capelet, red dress, red hat, sack, sack behind back, santa costume, santa dress, santa hat, sidelocks, simple background, smile, solo, squatting, tail, thigh boots, white background