A peaceful life is actually not peaceful. I don't know whether it was due to the impact of a war many years ago or the laws of the world's own operation. There are more and more channels between the phantom world and the human world. And these difficult-to-block passages make it easier and easier for spiritual creatures to reach the human world.
Creatures from the spiritual world that reach the human world always cause great damage. To deal with such incidents, humans have established a special incident processing center to deal with such incidents. But when the invasion of the spirit world is no longer a natural event, when it becomes premeditated, everything will no longer be simple.
And our story begins here...
