6+boys ;d animal_print backwards_hat bad_id bad_twitter_id barefoot baseball_cap berobero brothers fishnet_top hat headdress heart heart_in_mouth hood hoodie jacket knee_pads leopard_print male_focus matsuno_choromatsu matsuno_ichimatsu matsuno_juushimatsu matsuno_karamatsu matsuno_osomatsu matsuno_todomatsu multiple_boys one_eye_closed open_mouth osomatsu-kun osomatsu-san overalls pointing pointing_up scarf sextuplets siblings smile vest zenryoku_batankyuu
6+boys bad_id bad_pixiv_id berobero brothers brown_hair child heart heart_in_mouth highres kneeling kodomo_no_hi koinobori looking_at_another looking_down looking_up male_focus matching_outfit matsuno_choromatsu matsuno_ichimatsu matsuno_juushimatsu matsuno_karamatsu matsuno_osomatsu matsuno_todomatsu multiple_boys osomatsu-kun paper_hat paper_kabuto red_background sextuplet_(osomatsu-kun) sextuplets siblings simple_background smile waving_flag wing_collar
6+boys backpack bad_id bad_pixiv_id bag berobero black_hair blush_stickers brothers child dressing hands_in_pockets male_focus matsuno_choromatsu matsuno_ichimatsu matsuno_juushimatsu matsuno_karamatsu matsuno_osomatsu matsuno_todomatsu multiple_boys oldschool one_eye_closed osomatsu-kun pajamas randoseru sextuplet_(osomatsu-kun) sextuplets siblings simple_background sleeping tan_background