In this chapter, we learn that Hiroshi's son, Tetsu, and his sister, em>Hiroshima,/em> are on their way to visit their parents. Hiroshi and Tetsu meet up with their father, and Hiroshi introduces them to his sister , who has a son of her own. Tetsu's mother, however, has refused to listen to his father's advice, and he's worried that her son is in danger. He asks Hiroshi if he'd like to accompany him on the mission, but Hiroshi refuses, saying that he'll be alone. He tells Tetsu that they have six hours to complete their mission, and that they'll need to find a way to communicate with the air consortium.