The brothers all catch colds. Later, the brothers question Todomatsu about all the things he hasn't told them about his personal life. Choromatsu is a paranoid vice-principal overly worried about plans for his school's cultural festival.

In an apocalyptic world, the Idol Matsunos battle against Iyami and Dekapan, who are robbing the dry-skinned citizens of all of their lotion. Ichimatsu is forced to pretend to be Karamatsu after Osomatsu catches him wearing his clothes.