sumino takumi, the hundred line -last defense academy-, artist request, chinese commentary, commentary request, commission, highres, second-party source, 1boy, armband, blue eyes, buttons, cropped torso, greyscale, hair between eyes, high collar, hole in chest, hole on body, jacket, last defense academy school uniform, male focus, monochrome, school uniform, short hair, solo, spot color, too many watermarks, watermark, white background