1girl, adapted_turret, black_hair, blue_neckwear, blue_sailor_collar, blue_skirt, brown_eyes, brown_hair, cannon, character_name, cowboy_shot, looking_at_viewer, machinery, neckerchief, one-hour_drawing_challenge, one_eye_closed, pleated_skirt, sailor_collar, school_uniform, serafuku, short_hair, simple_background, skirt, solo, turret, white_background