kamitsurugi ouka, sugahara mifuyu, kouyoku senki exs-tia concert, game cg, large variant set, non-web source, official art, variant set, 1girl, blue hair, blunt bangs, blush, casual, closed mouth, collarbone, dress, full body, green dress, green socks, kneehighs, long hair, looking at viewer, mary janes, pigeon-toed, purple eyes, sash, shoes, short sleeves, socks, solo, standing, tachi-e, transparent background, two side up