Zatch Bell! 2

Zatch Bell! 2 summary:

The sequel to Konjiki no Gash!!, aka Zatch Bell.

Once the battle to decide the King of the demon world, in which 100 demon children fought against each other, had come to an end… the King of the demon world was crowned, and the demon world lived out the rest of its days in peace.

Or at least, that was how it was supposed to be.

Now, a shocking fact about the demon world comes to light. And in the depths of their despair, three demon children decide to take a great risk.