The Narutakiso members came to the school festival from the school where Kozue and Tamami attend. Takashi and his friends, who enjoyed the simulated shops such as goldfish picking, shooting and punching, and the occult research department director's "Divination House", decided to check out the class of girls' crafts exhibition. treetops. Then Hiro-chan, the organizer of the orchestra club, burst into tears. The two people who are scheduled to perform at the concert are said to have been injured and unable to perform. Then Megumi will play the piano and Sayako will play the violin...