musan (mu34mi), bamboo memory (ambition of the black iron) (umamusume), bamboo memory (umamusume), umamusume, commentary request, highres, animal ears, armband, black jacket, blue eyes, blush, brown hair, collared shirt, gloves, green armband, green skirt, grey shirt, hair between eyes, hairband, headband, horse ears, horse girl, horse tail, jacket, long sleeves, looking at viewer, multicolored hair, one eye closed, open clothes, open jacket, open mouth, shirt, short hair, shouting, skirt, streaked hair, sweat, tail, teeth, vest, white gloves, white hair, white vest