In the middle of the 21st century, the Millennium Eastern Powers have risen, squeezing the living space of the emerging superpowers. In order to consolidate their hegemony, the superpowers, who have nothing to do, have decided to "vassal" the island countries. After some plunder, the superpowers' larger conspiracy has been known to the island countries, and the popular governments have resisted. The great powers used nuclear weapons to suppress them, which led to the extreme islanders sacrificing human beings to the souls of World War II Class-A war criminals, posing a serious threat to mankind all over the world. To this end, the great eastern powers invited a mysterious family that has lasted for thousands of years to shoulder the sacred mission of reviving mankind, and the story of an offensive and defensive war against evil begins!