Three battles are unfolding simultaneously as Ysley takes on General Piscalat of the Zoble Empire, Paula and Hayato tangle with Cory, the demon who looks like a child soldier, and Prontea toys with the powerful Neput. When the dust settles, how will the Idaten/demon conflict have changed?

As Ysley and Prontea continue to plot their attack on the demons, Dr. Obami has the eagle-eyed Miku continue to evaluate the threat posed by the Idaten.

The invasion of the Idaten on the demon-occupied Zoble Empire reaches its climax, as Hayato battles against Emperor Takeshita while Rin confronts Empress Brandy.