Bouichiro's plan is coming to fruition: he has successfully made it to the Suhara Shrine, Kena in hand, and plans to make the contract with the Law of Identity to finish off his masterpiece. Akuto appears, fully healed, and the final battle ensues!
Akuto takes to the air, atop Peterhausen, with one goal in mind: the only way to protect Kena is to destroy God! The enemy battleship "Black Crane" makes a surprising entrance.
Fujiko’s beasts tear up the Academy as they run from the fight with Yamato, hoping to get Akuto to his weapon. The Koga and Iga ninja clans unite to fight the Demon King under the newly-appointed Teruya leader, Eiko.
The school session has ended for a long break, and Junko asks Akuto to come with her to her family’s house. Akuto misunderstands why he is at the home of the Iga ninja clan.
Demon beasts have been unsealed around the country. The beasts underground Constant Academy are also awake, and Fujiko takes an egg hoping to tame the beast inside. Meanwhile, Akuto tries to get Kena to attend classes, but she refuses.
It turns out that Akuto isn’t the only one who received a huge surprise for their future job – Hiroshi was predicted to be the island’s legendary hero. Yukiko wants confirmation from Akuto that he is the Demon King.
The students head to the beach on a school trip. Korone’s teasing of Akuto has intensified lately, resulting in publicly exposing Junko. Akuto chastises the android, leaving Korone strangely affected by his scolding.
Akuto, Eiko, Hiroshi and Korone enter the underground graveyard beneath the charnel house, where they find evidence of past battles. Junko, Kena and Fujiko are trying to reach Akuto before he discovers the true nature of the map’s treasure.
After Akuto demolishes the practice yard during what should have been an easy magic lesson, Mitsuko suggests he spends time in the mental discipline chamber in order to learn to control mana.
Just as Fujiko gets past Korone on his way to meet up with Akuto and Junko, Kena shows up and wants Akuto to make good on a promise to be friends. Once he finally gets away, he finds a nasty surpirse underground.
Akuto wants to set up a private meeting with Fujiko Eto but is having trouble accomplishing this since he is under constant surveilance. He also must travel to a dangerous rendezvous point so he have to find a way to ditch Korone.
Akuto Sai transfers to the Constan Magical Academy with high hopes of becoming the Grand Priest. Then he undergoes an evaluation, which predicts that his future occupation will be as the Demon King.