Changge Painting Kyushu

The Duan royal family has been wary of the Xie family for hundreds of years. The emperor of the current dynasty had also been wary of the Xie family for many years. But who could have imagined that, after repeated precautions, a fire broke out in the inner courtyard of his house. Looking at the only prince who can inherit the throne, he is worried. Could it be that the Xie family is going to develop from a king with a different surname to a foreign relative?