matsuo yukihiro, aoi sena, chaos;head, science adventure, game cg, non-web source, official art, 1girl, bare legs, blazer, brown jacket, d-sword, dress shirt, from side, hand on own hip, holding, holding sword, holding weapon, huge weapon, jacket, kneehighs, lapels, long hair, looking at viewer, loose necktie, miniskirt, narrowed eyes, necktie, notched lapels, open clothes, open collar, open jacket, open mouth, over shoulder, plaid clothes, plaid necktie, plaid skirt, pleated skirt, profile, purple eyes, purple hair, purple necktie, purple skirt, purple socks, red trim, school emblem, school uniform, serious, shirt, skirt, socks, solo, sprite, suimei academy school uniform, sword, sword over shoulder, transparent background, v-shaped eyebrows, very long hair, weapon, weapon over shoulder, winter uniform