Episode Title:
Swapped!.
Episode Description:
Kukuri becomes advisor teacher to the Troubleshooters-club, and they investigate 2nd year students with a sleeping sickness from which they can't awake. With the help of a Dream-Pillow-Tsugumomo and their genders reversed, they enter homeroom-teacher Iriha Isuzus' vivid dream to counter the Amasogi responsible.
