!, 1girl, ahoge, alternate hair color, black sailor collar, black serafuku, black skirt, black thighhighs, blade, brown background, brown hair, colored tips, crazy, full body, hands up, headgear, holding, holding knife, knife, loafers, looking at viewer, miniskirt, multicolored hair, neckerchief, notice lines, open mouth, parted bangs, red eyes, red hair, red neckerchief, sailor collar, school uniform, serafuku, shoes, simple background, skirt, sleeves past fingers, sleeves past wrists, smile, solo, spoken exclamation mark, standing, thighhighs, very long sleeves, w arms, zettai ryouiki