The Teen Exorcist, Vol. 4 (manga)

With Princess Akiko's life on the line, Masahiro dives into combat against the foreign demons, Jun and Gaku. However, just when it seems that Masahiro and Guren's victory is all but assured, the princess herself turns the tide against them! Still, the battle rages on, and now that Mashiro is down for the count, Seimei and the twelve divine generals are forced to take the stage. Can Abe no Seimei protect his grandson from Jun and Gaku, or has the teen exorcist's journey come to a premature end…?

Volume 4 of The Teen Exorcist manga series by Minna Lin.