In the wake of the shock from the Demon Regiment's attack, the Barbodel Magic Academy has decided to hold a school festival to rally spirits. Class F has settled on a quintessentially Japanese attraction (?), a cosplay café. Not only the students, including Helen, but even the faculty have found themselves caught up in the cosplay craze! Meanwhile, in the shadows, the Kaizell Empire is maneuvering across nations, aiming to bring the world under its control, and its sinister reach is slowly extending to the academy itself. The highly anticipated ninth installment of this beloved series!