What if you were the strongest demon king in history. . . but nobody believed you?
Anoth has freed Ivis from possession by the false Demon King, and peace has been restored for the time being. . . But it doesn't last for long! New transfer student Rei joins the class at Demon King Academy Delsgade and immediately makes a splash with his superior fighting skills. Rei's swordsmanship may be exceptional, but will it be enough for him to win when he challenges Anoth to a duel? Or is it time for the Demon King of Tyranny to school his fellow student?