Yui, who hasn't attended school since the events of 2 years ago, suddenly feels the desire to go to school again after making friends. Unagi arranges for her to transfer in, and the rest of the company agrees. Meanwhile, Teacher gets a call from the 28-year-old Momose, whose life is threatened by an adrenal tumor. Noborito Tatsuo, whom the company helped before and was reportedly the mastermind behind the events of 2 years ago, suddenly dies... (Source: Japanese = NTV || Translation = mikilove13 at MyDramaList)