yukiya (shiya), eishin flash (umamusume), umamusume, highres, 1girl, animal ears, bag, black hair, blue eyes, blue jacket, blush, bob cut, breasts, closed mouth, collarbone, dress, ear ornament, ear scrunchie, hair between eyes, handbag, holding, holding bag, horse ears, horse girl, horse tail, jacket, long sleeves, looking at viewer, medium breasts, medium hair, open clothes, open jacket, short hair, simple background, smile, solo, tail, white background, white dress