The second semester has begun, and everyone's busy with tests, practices, and activities again. It's time to prepare for the cultural festival, and Tsubaki asks Yukino, Tsubasa, and Maho to put on a play that she wrote for the festival. It's a sci-fi story set in the future. A transfer student named Tonami has come back after 3 years, and he and Tsubaki don't exactly get along. Tonami does as well as Soichiro in the tests, and it turns out that the two of them know each other from when they were children.