2boys age_difference big_hero_6 black_hair brothers closed_eyes commentary commentary_request fur_collar grey_shirt hand_on_another's_face hand_on_another's_head hands_on_another's_cheeks hands_on_another's_face hiro_hamada incest kiss kissing_cheek long_sleeves lowres male_focus multiple_boys one_eye_closed onii-shota shiogochi shirt short_hair shota siblings simple_background smile tadashi_hamada yaoi