1girl, aqua eyes, aqua hair, arms behind back, blue sky, blurry, braid, caustics, chair, choker, classroom, closed umbrella, cloud, cloudy sky, collarbone, colored inner hair, depth of field, desk, gun, hair ornament, hairband, halo, indoors, long sleeves, looking at viewer, multicolored hair, pleated skirt, rifle, school chair, school desk, school uniform, serafuku, short hair, sidelocks, single braid, skirt, sky, smile, solo, umbrella, weapon, white choker, window