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.
Brother, you pervert! Brother, you pervert!
أخي المنحرف، أخي المنحرف
Bruder, du Perverser!
Du bist so ekelhaft!
¡Hermano, pervertido! ¡Hermano, pervertido!
¡Hermano, pervertido! ¡Hermano, pervertido!
Pervers de grand frère,
pervers de grand frère !
Fratello, sei un pervertito! 
Fratello, sei un pervertito!
Irmão, seu tarado! Irmão, seu tarado!