In the near future, human inhabitants would have been crowded and congested. It was an urgency to stride out to the universe and find a new home. When everything was under progress in an orderly way, dramatic geological transformations erupted over the courses of decades. Humanity was demolished by this disaster and hardly left anything. Until the nature gradually restored calm, people struggled to their feet from ruins and abysses, stepping again onto this familiar but strange earth. But for us people, dominating everything has been rooted into our blood. Are we still masters of this new world?