Similar to Foundation, no system, single female protagonist, abnormal.
This world is full of monsters that cannot be explained by common sense. They are powerful and mysterious, but they can eventually be defeated.
A teenager with amnesia brings a demon. What kind of stories can be told in different areas of this central city? Is the abnormal asylum the right one? Abnormality may also be right? But I am absolutely right, I am the final savior of this world!
When the door representing miracles opens, the world will usher in new life.