stay gold (umamusume), umamusume, commentary request, highres, 1girl, animal ears, bow, bowtie, brown eyes, brown hair, closed mouth, crossed legs, ear covers, hair between eyes, head rest, horse ears, horse girl, long hair, long sleeves, looking at viewer, multicolored hair, pleated skirt, purple sailor collar, purple serafuku, purple shirt, purple skirt, sailor collar, sailor shirt, school uniform, serafuku, shirt, simple background, sitting, skirt, smile, solo, streaked hair, tracen school uniform, white background, white bow, white bowtie, white hair, youai you