The first two volumes of this book are background narratives, and the third volume is the official beginning...
Thousands of years after the restoration of prehistoric times, humans have returned to tribal civilization, and the world has once again fallen into the intertwining of wilderness and mystery.
The Kyushu Continent has Tianzhu Mountain in the center as its core and is surrounded by four divine seas. In the far east is the Guixu Abyss, which hides endless dangers and secrets.