The world has come to this day. The troubles caused by civilization, genetic recombination and nuclear bombs have destroyed the world. The world is full of weight gain and aliens. A few of us lucky ones have escaped the fate of becoming monsters and gained special abilities. However, they cannot escape the pursuit of other species. In order to save their lives, I fled to the ancient tent forest. Because I hated the products of civilization, I did not use intelligent robots here and lived a comfortable retro life for a short period of time. However, the Mahatma passed away, leaving behind the incomprehensible three-character mystery and the holy key. He said that only those who solve the mystery can bring light to the future of mankind.
Purpose: In the post-civilization era, mankind rebuilds its homeland