Shortly after conquering the kingdom of Daba, Sasae receives news that the Dead Males have managed to breach the fortress' defenses and may have even infiltrated the human world. Suspecting that this is a plan by the magic kingdom of Reichnel to use them militarily, Sasae decides to go there to investigate. Hinana is against crossing the border illegally and forces her brother to enter the kingdom through official channels, that is, by enrolling in the Magic Academy. There, however, Ode Seeker, the most powerful sorcerer on the continent, teaches and together with a mysterious girl is conducting dangerous and suspicious experiments.