Futaro ends in the hospital because of the cold he got during the school camp. The doctor visiting him triggers some memories of a girl Futaro met during a school trip six years before. The quintuplets all pay him a visit, and Itsuki brings him a good luck charm very similar to the ones the girl from his memories had bought in Kyoto. After being released from the hospital, Futaro goes to the quintuplets' apartment, running into one of them who is just after a shower...