saitou natsuki, fuyunagi tsubasa, shinsou kenki arch saver, game asset, large variant set, non-web source, official art, self-datamine, variant set, 1girl, arms behind back, black socks, blue hair, blush, breasts, clenched teeth, dress, full body, gold trim, hair ornament, hairclip, high ponytail, kneehighs, loafers, long hair, looking at viewer, necktie, pink eyes, ponytail, school uniform, shoes, short dress, short sleeves, simple background, socks, solo, standing, tachi-e, teeth, transparent background