Ulrike reveals that the final forbidden box is on Earth. Yuri, along with Murata, Wolfram, Conrad and Gwendal set off to locate and bring the box back to The Demon Kingdom.

Human villagers decide to build a bridge between the land of humans and the Mazoku. But they are being attacked by mysterious light wolves believed to be the ghosts of the war 20 years ago.

Soushu enters Yuri's body to take it over from the inside. Conrad, Gwendal, Jozak, Hube and Günter awaken outside the temple and return to the castle, where Wolfram had been revived with his heartbeat returned to him.