osomatsu-kun, osomatsu-san, ichimatsu, matsuno ichimatsu, akiomi aiko, 2boys, age comparison, bangs, black hair, child, cowboy shot, dual persona, hand on another's face, hand on shoulder, hands together, head out of frame, hood, hoodie, long sleeves, looking up, male focus, multiple boys, pants, shorts, simple background, surgical mask, swept bangs, track pants, white background, wing collar, younger