The IChu of Class 2 hold a joint concert outside of Tokyo. Kokoro leaves ahead of everyone else to get back for his fan event the following day, but the plane is forced to make an emergency landing due to bad weather. Then, as the Class 3 IChu are trying to sell CDs at the venue for Kokoro's event, Principal Kuma Kocho suddenly tells them to get the show going and keep it going until Kokoro arrives...?!