After many assumptions, denials, assumptions, and denials, I finally realized it!
This is not a place that can be described by dynasties at all. This is simply the Bird Bird Continent and the Pig Pig Time and Space. But I later learned that this continent is actually called Honghong Continent.
It's a relaxing article that doesn't hurt my heart. If I want to hurt my heart, I can't bear it first. Happy ending guaranteed.