1girl, aiming, aiming at viewer, black eyes, blue background, bow, bowtie, brown sailor collar, brown serafuku, empty eyes, gun, handgun, head tilt, holding, holding gun, holding weapon, light blush, long sleeves, medium hair, one side up, open mouth, outstretched hand, raised eyebrows, red background, red bow, red bowtie, red hair, sailor collar, school uniform, serafuku, solo, spiral background, upper body, weapon, wide-eyed