After pulling an all-nighter gaming with Nanana, Tensai, and Daraku, Juugo notices a strange presence watching him. Back at school, a first-year meets with Tensai and hands her an envelope although she appears dissatisfied and abruptly leaves class. Tsujimi Tetsunoshin transfers into Juugo's class, to the surprise of both. Juugo also meets Yun, who reveals her true name is Yoshino Saki and is a student at school. At the Adventure Club, Kagetora decides to confront Yuiga over his lack of trust in the younger students. Later, Juugo and Nanana get an unexpected guest on their balcony, Ikusaba Hiiyo, who has come to ask Nanana about a Collection item: "The Rain Bell." After learning about its powers, he calls it garbage, distressing Nanana...