In this chapter, we are introduced to the young man who is now known as "Tang wulin" . He is a student at the elementary school where his sister is a teacher. He has just received a note from his sister saying that she is leaving the school. He tells his father, mother, and brother that he will be leaving soon, but that he has regained his memories of the time he spent with them. When he sees the note, his mind is filled with thoughts of his sister. The rag doll that was given to him as a present by his sister was also a present from him. The doll has purple eyes and hair dyed with silver dye that he bought for her. He will always smile at her and protect her no matter what the enemy tries to do to her. The morning teacher enters and asks what is wrong with the boy. The teacher tells him that his life at the school is over. He says that his first skill is a sharp knife and that he now needs three hours of overtime to complete his work. He also tells the teacher that his butt is "expansive" and that time heals everything.