guco (gco h), sumino takumi, the hundred line -last defense academy-, highres, 1boy, ahoge, blush, closed mouth, constricted pupils, expressive hair, frown, greyscale, halftone, hood, hood down, hoodie, jacket, jacket over hoodie, male focus, monochrome, multicolored hair, multiple views, open clothes, open jacket, open mouth, screentones, short hair, simple background, sketch, streaked hair, surprised, sweat, two-tone hair, white background