Waste Prince: Why do

The young man with fair skin put away the imperial decree, a sinister smile on his face: “Congratulations to my ninth brother for becoming the King of Huangzhou, the eighth prince of our great Xia Kingdom!”,"You, you even went to great lengths to charm the Emperor Father, making him unable to bear to harm your ninth younger brother.","His younger brother's daughter I can marry, and other princes can marry her too, but only Ninth Brother is off-limits!"。