Mika, Haruka and Subaro receive a surprise assignment from their teacher; Urara and Kokomi deal with problems of their own.

A new Hoshimori joins the ranks. As Misaki explores how their operation works, the others attempt to improve their skills to meet her level.

The girls travel to a beach for a special training camp. While the training is merciless, their extra activities might prove to be even worse.

After a run of bad luck, the success of the Fortissimo concert is threatened. With their performance on the line, Kanon and Shiho turn to the other girls for help.

In an attempt to get to know Misaki, Kurumi approaches her in the bath. Meanwhile, Yuri and Nozomi reflect on their early days as a Hoshimori team.

After a difficult battle, Kurumi and Renge awaken to discover they have switched bodies. Renge proves to enjoy the switch, but the pair must work together to find out how to return to their bodies.