The Demon King, on the air. Turn the number of followers of the channel into the power of faith, and expose the darkness of the cyberpunk city (cyberpunk city). 2099 - Shinjuku City. The legendary Demon King, Bertor has once again descended to the futuristic city that has reached its ultimate development. The glorious prosperity of the huge metropolitan state, and the tragic "darkness" hidden behind it. In order to rule the new world, the Demon King will roam in the future.