Furukawa has a past that was replied by his classmates. Aiming to be a teacher, longing for a homeroom teacher who has made me recover from the bottom. He succeeded in rehabilitating the rough class he was assigned to, and was about to reach the peak of his life’s joy after having decided to get married in private. At that point, in the letter I received from the students, the old photographs were … one after another by the students, and the spirit collapsed …