Everyone leaves for their home during summer vacation, the only left residents are Kogarashi, Yuuna, Nonko and Oboro. Nonko gets a call and learns that her helper is down with a cold, so she asks the remaining members for help in return for a trip to Okinawa. After completing the manga they all go to the beach where Nonko, Oboro and Yuuna make Kogarashi rub sun-oil on their back. After an accident in which Kogarashi goes flying in the sky, he sees a ghost standing on a cliff...