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!”,"His younger brother's daughter I can marry, and other princes can marry her too, but only Ninth Brother is off-limits!",Now being outsmarting myself...Will Father let him off the hook。