The Peak Mad Wolf

Demon Valley is a world-class prison with the tightest security, holding the most terrifying criminals on earth.

Some have slaughtered tens of thousands with their own hands. Some have single-handedly incited wars between two nations, leaving millions dead or wounded. Others have masterminded financial scams involving trillions, driving entire countries to bankruptcy...

But ever since the arrival of the “Boss,” who lives in Cell No. 0, he has become the law of all Demon Valley!

Three years later, he was released...