1girl, ahoge, arm behind back, black hair, braid, brown hair, closed mouth, hair over shoulder, hair ribbon, jacket, long hair, long sleeves, looking at viewer, necktie, official alternate costume, open clothes, open jacket, plaid, plaid skirt, pleated skirt, red necktie, red ribbon, ribbon, shirt, simple background, single braid, skirt, solo, waving, white background, white shirt