mejiro ardan (crystalline) (umamusume), mejiro ardan (umamusume), umamusume, commentary request, highres, 1girl, animal ears, asymmetrical sleeves, bare shoulders, black dress, blue hair, blush, braid, breasts, closed mouth, crown braid, dress, frills, horse ears, horse girl, leg up, long hair, looking at viewer, off-shoulder dress, off shoulder, purple eyes, simple background, smile, solo, uneven sleeves, yuuki suikou