With the defeat of the Impure King, the Exwires have temporarily returned to their routine lives back at True Cross Academy, Halfway around the world, a strange encounter in the desert is the harbinger of evil things to come. An upturn in supernatural incidents at the academy involves Rin and his friends and draw them into a far larger conspiracy. Powerful forces have begun to awaken and an old enemy prepares for a new conflict.

Reads from right to left. Translation of: Ao no ekusoshisuto. 10.