Rule 34 Dev - 10s 2boys age_difference akagi_kyou blush brown_eyes brown_hair grey_hair haikyuu!! height_difference hood hoodie irino_miyu male_focus matsuno_todomatsu multiple_boys osomatsu-kun osomatsu-san osomatsu_(series) ruffling_hair simple_background smile sugawara_koushi track_suit voice_actor_connection white_background|6796862514