In the 115th year of the Huanye Kingdom, Emperor Yun died and was succeeded by the second prince, Aofeng. The following year, the third prince Aochen led the troops to "force the palace". It is said that he killed his brother and seized the throne... Many years later, a steamed bun was packed and sent to the palace. Emperor Chen, who was forced to be the father of the steamed bun, was depressed. "Brother, you have had enough..."