2boys, age difference, ahoge, akuno hideo, akuno hideo's brother, apron, bishounen, blue eyes, brothers, brown hair, food, green hoodie, happy birthday, hood, hoodie, idolmaster, idolmaster side-m, long sleeves, male child, male focus, multiple boys, pancake, pancake stack, sharp teeth, siblings, smiley face, teeth, toumeitou, upper teeth only