The chapter opens with a flashback to the beginning of the novel, when Hiroyuki and his sister, Orihime, are discussing the possibility of going on a date with Hiroyuki's older brother, Yasuke. Hiroyuki, who is now in high school, is still in love with his younger sister, and the two of them are planning to go on their first date together. The flashback shows that Hiroyuki is still very young and inexperienced in the world of love, and he is still trying to figure out how to communicate his feelings to his older sister. He is also trying to make sense of the events of the previous day, when he overheard her and her sister talking about their love for one another. The two sisters are also discussing the fact that their younger brother, Yosuke, has confessed his love for another woman, akari, and that he has been having an affair with a young woman named Hinata. The chapter ends with a description of the scene in which the two sisters run through their plans for the day. The girls decide to go to the zoo first thing in the morning, and Hiroyuki suggests that they stop at a cafe to have a bite to eat before going out on the date