Sixty years ago, relying on the mastermind Rhine, people entered the technological society. Hovering cars, machine express delivery, and butler robots occupied everyone's lives, and life was prosperous. Fifty years ago, the Rhine was plunged into strife and turned into a war machine. In the end, the consequences were shared by all mankind. Humanity was forced to go underground, but found an underground civilization. Disputes arose. After that, the two decided to join forces to fight against Rhine. Ten years ago, the emergence of the self-destruct program brought a glimmer of hope, but due to a mistake, it was about to be destroyed. Can this last chance turn around?
The proud captain, the aloof swordsman, the opportunistic weakling, can the team composed of the ancient martial arts family and the strong lizard man turn the tide?
Intention: Strategy, courage, trust and dedication are a ray of light, hope and future in desperate situations.