In this chapter, we learn that the protagonist, jinhui, is the leader of the "rainbow paradise" school, and that he has been retained by the school for ten years. The protagonist tells the story of a boy named lun who came to the school because he wanted to become a teacher. The boy, called "usury," used a sugar-coated candy as an investment to make the school corrupt, and now he wants the school's principal and the vampire to pay for the damage done to his school. lun tells the protagonist that this is the revenge of the boy, and the protagonist agrees to help the boy. He tells lun that the school is run under the orders of their mother, and they act according to their mother's orders. linli, the protagonist's sister, thinks that she can win the battle by herself, but the protagonist tells her that the long-term effective way to follow traditions is to follow flowers and fruits. . the protagonist says that he is helping the underdog, but he has to promise that when the situation is all over, he will come with him.