The narrator tells us that he went to visit Nishimiya because he thought she might be able to help him. He was surprised to see that she was very polite, and that Hiroyuki was very close to her. The narrator is very sorry for his actions, and apologizes to his sister. He tells her that he will be home late, and she gives him a gps that she has given him. Hiroyuki apologizes for forgetting his bag, and the narrator asks what she said to shake his sister's hand. She tells him that it was a joke, and Hiroyuki says that she acted like a man to shake the little sister. After Hiroyuki leaves, the narrator wonders if he will ever see the smile of his sister again.