In the 134th year of the Star Yuan, there was turmoil among the princes of various races, and the commanders and their people rushed to the safest place. The war between the princes of the various races lasted for five years. In the end, with many dead and wounded, the princes requested a negotiation, on the condition that a different space be established at the intersection of the dividing lines of the various races. This alien space represents a symbol of peace for all ethnic groups. This alien space is Night Rose Castle, which exists in the form of a college.