stay gold (racehorse), stay gold (umamusume), umamusume, absurdres, highres, 1girl, animal ears, biting, black gloves, blood, blood from forehead, blood on face, brown eyes, brown hair, coat, ear covers, gloves, hair between eyes, horse, horse ears, horse girl, ketsuge, long hair, mountainous horizon, shirt, stay gold (sunlit outsider) (umamusume), twilight, waving, white hair, white shirt, yellow coat