stay gold (umamusume), umamusume, commentary request, highres, 1girl, alternate costume, arm on knee, arm out of frame, black jacket, black pants, black shoes, bright pupils, brown hair, chromatic aberration, closed mouth, colored tips, dot nose, ear covers, eyes visible through hair, feather hair ornament, feathers, grey background, hair between eyes, hair ornament, hand on own knee, high-waist pants, jacket, knee up, long hair, looking at viewer, low ponytail, multicolored hair, nosmi umachan, open clothes, open jacket, pants, ponytail, shadow, shirt, shirt tucked in, shoes, signature, sitting, sketch, smile, socks, solo, streaked hair, symbol-shaped pupils, very long hair, white shirt, white socks, white streaks