THE ORDER OF THE END... ​After quashing the rebellion in Aldegia, Kojou and his friends return to Itogami Island to find that, during their short absence, the status quo has violently changed! The Gigafloat Management Corporation has been hijacked, and war brews among the demons for control of the territory. Once again, the Fourth Primogenitor is drawn into the heart of the conflict, all while the perpetrators' true intentions remain unknown!