Maxine returns and kidnaps Yuri in a bid to earn fortune and power, but quickly changes his plan and takes the maids hostage instead, but will he survive?

Günter is affected by the Wincott poison once more and Julia's father comes to help cure him, but suddenly, Günter's body begins to move by itself!

As the volcano erupts around them, the soldiers flee, leaving the children behind, while Adalbert, overcome with emotion from Julia's fate, angrily duels Conrad.

With all four boxes gathered in one place, the animals of the Demon Kingdom get restless, and the Boneys are no exception, leading them to kidnap little El!

Yuri is taken hostage by Adalbert, who demands to know if Yuri truly has Julia's soul, but he finds himself having to defend Yuri from Big Cimaron's soldiers as the island's volcano starts to rumble...

With all four boxes gathered in one place, the animals of the Demon Kingdom get restless, and the Boneys are no exception, leading them to kidnap little El!

Big Cimaron proposes a student exchange as a cover to strike back after their box is stolen, but the Great Demon Kingdom and their allies don't fall for it, leading Gwendal to plan his own covert mission.

The two Demon Kings clash in a battle of magic, with the fourth and final box on the line. Who will be victorious?!

Bandits threaten a small town and Gwendal finds himself joining Conrad's father, Lord Dunheely, in helping the townspeople. Can Gwendal set aside his prejudice of humans for the good of the people?

The two Demon Kings clash in a battle of magic, with the fourth and final box on the line. Who will be victorious?!

Continuing the hunt for the final box, Yuri and the others hear of a box at the bottom of a lake and head there, where they meet Ulrike's predecessor and learn of the history of the land around them.

The group travel to Switzerland to meet the Demon King of Earth, Bob. Once there, Shori tries again to convince Yuri to come home and abandon his throne.

Princess Elizabeth, the winner of the Great Demon Kingdom beauty pageant, is used by Stoffel to enact a plan to form a bond with Yuri, but she claims to already be engaged... to Wolfram?!

The group travel to Switzerland to meet the Demon King of Earth, Bob. Once there, Shori tries again to convince Yuri to come home and abandon his throne.

Lady Ulrike falls ill, while at the same time, a girl that resembles her appears in town and demonstrates incredible magical powers, leaving Yuri, Wolfram, and Conrad to try and rein her in.

Shori meets with Rodriguez, who requests that Shori persuade Conrad and the others to return to the Demon Kingdom, but when his attempts fail, he attacks Conrad directly!