Yamato Bouichirou, head of CIMO8, saves Keena from being assassinated. But he was only interested in making her, who calls the "law of identity", his own in order to control the gods. Akuto uses his power as the Demon Lord to return to the school and faces off with Bouchirou, but is wounded as Boichiro's attacks surpass his mana controlling ability. Then, Fujiko appears with a horde of monsters, saving the two and going back to Peterhausen. 
Meanwhile, the government army under the command of Teruya Eiko arrivesoutside the school and begins "Operation Battering Ram" to defeat the Demon Lord. At last, the battle between the demon lord and his monsters and humanity begins...
I thank you