There was a covenant between Zhu Chuan and Zheng Chao. Ji Chang, Zhongxu's younger brother, learned the language and customs of Leizhou in Zhu Chuan. In fact, he acted as a proton. Zhu Chuan also had a princess sent to Zheng Chao to raise and prepare to marry a royal man. The princess did not like the climate of Donglu, but lived in the frost for half a year, which was Zhongxu's favorite purple...