yoshiaki (yosiaki ml), forever young (umamusume), umamusume, commentary request, highres, 1girl, animal ears, bandeau, black bandeau, breasts, brown hair, choker, green eyes, hat, horse ears, horse girl, horse tail, jacket, long hair, looking at viewer, midriff, multicolored hair, open mouth, purple jacket, simple background, skirt, smile, solo, streaked hair, sunglasses, tail, teeth, tinted eyewear, upper teeth only, white background