The two-dimensional and three-dimensional worlds are parallel and will never intersect. People have always had this understanding, and over time, this seems to have become the truth.
However…
An unknown amount of time passed in the chaos. Between the two-dimensional and three-dimensional worlds, an additional world quietly appeared. No, it was a continent, which would be called Menglu from now on. No one knows how or when it appeared, but on March 25, 2002, several warriors accidentally broke into Menglu and unexpectedly discovered this world that could be connected to the second dimension.
Since then, Menglu has unveiled its mystery in front of the third dimension...