roroko momo, stay gold (umamusume), umamusume, music, commentary request, highres, 1girl, animal ears, bare shoulders, black hair, black jacket, black shirt, black shorts, breasts, brown eyes, brown hair, ear covers, fire, hair between eyes, holding, holding microphone, holding microphone stand, horse ears, horse girl, horse tail, jacket, long hair, looking at viewer, microphone, microphone stand, multicolored hair, official alternate costume, open clothes, open jacket, shirt, shorts, singing, small breasts, solo, streaked hair, tail, white hair