End of the Century Academy is offering a voice actor course, but only one student, Airi, joins. The three brothers also study the art of voice acting, and compete with her at an audition. A student teacher named comes to the Seed Class. She immediately grabs the hearts of the students, and takes them on an adventure. The surprising past for Fudo the Demon is told, and we catch a glimpse into Emperor Thouzer's strange everyday life.
Oh, End of the Century! Our alma mater!
يا نهاية القرن، يا أمّنا
Oh, Jahrhundertwende!
Unsere Schulhymne!
¡Oh, Fin de Siglo! 
¡Nuestra alma máter!
¡Oh, Fin de Siglo! 
¡Nuestra alma máter!
Oh, Fine del Secolo! La nostra scuola!
Ah, Fim do Século! Nossa 
escola do coração!