At Keita's suggestion, Kai and his friends start keeping a shared diary. Later, Maho stuns Kai by telling him they should take some time apart.
突然、オレンジ色のノートを差し出した啓太（瑛太）。櫂（妻夫木聡）、沙絵（柴咲コウ）、翔平（成宮寛貴）、茜（白石美帆）は…。
