2boys, arms_up, bald, belt, black_belt, black_sclera, colored_sclera, cowboy_shot, cyborg, genos, greyscale, hair_between_eyes, half-closed_eyes, male_focus, monochrome, multiple_boys, one-punch_man, saitama_(one-punch_man), short_hair, solo_focus, undressing, white_background, yud79317724