A young girl learns that a childhood friend is a member of an extraordinary group of girls with an important mission.

Subaru finds that the other four girls are now her classmates.

The girls officially become the Cosplay Club, but Subaru is conflicted about her role.

Hikaru reaches the next fragment's location, but she she must deal with a weakness and a particular fear.

The theater festival approaches and the class chooses Itsuki to be the princess.

The girls fight to protect their planet from the Pleadian spaceship in orbit.