1girl, ahoge, blush, bow, buttons, closed eyes, cropped torso, double-breasted, drill hair, facing viewer, finger to cheek, furrowed brow, grey jacket, grin, hand up, head tilt, high collar, jacket, long sleeves, notice lines, raised eyebrows, red hair, red nails, short hair, shoulder belt, simple background, sleeve cuffs, smile, solo, twin drills, twitter username, uniform, watermark, white background, white bow