kamitsurugi ouka, kunijima chiaki, kouyoku senki exs-tia concert, game cg, large variant set, non-web source, official art, self-datamine, variant set, 1girl, black camisole, blue ribbon, blush, braid, breasts, brown eyes, brown hair, brown skirt, camisole, casual, full body, glasses, hair over shoulder, long hair, long skirt, looking at viewer, neck ribbon, open mouth, parted lips, pencil skirt, ribbon, sandals, shirt, short sleeves, simple background, single braid, skirt, solo, standing, tachi-e, transparent background, watch, white shirt, wristwatch