They say it exists in the place deeper than any sea and darker than any darkness. It is a dark place where ominous things gather. No one knows where it is. But everybody believes it and is afraid of it.

Kliuchevskoi, the king of devils, died. The news of the great king, who had ruled the Devil World for a long time, traveled among other worlds. Soon, it got around all over the Devil World.

Taking this opportunity, ambitious daemons, who had smoldered with their complaints, rose one after another. Then the Devil World turned into the age of rival chiefs.

Two years have passed since then...