sonabaija, stay gold (umamusume), umamusume, highres, 1girl, animal ears, armband, black boots, black gloves, black hair, black pants, blue armband, boots, brown hair, closed eyes, coat, ear covers, fingerless gloves, gloves, goggles, goggles around neck, hair between eyes, horse ears, horse girl, horse tail, long hair, multicolored hair, open mouth, pants, shirt, sitting, smile, solo, stay gold (sunlit outsider) (umamusume), tail, white hair, white shirt, yellow coat