Waste Prince: Why do

"His younger brother's daughter I can marry, and other princes can marry her too, but only Ninth Brother is off-limits!",Concubine Qin flung her arms wide, shielding her son from the guards, her eyes blazing with fury. "Stop!" she commanded.,In summer, one must extinguish the intent to kill of the two guards with the shortest possible words: "Murdering the prince will bring ruin to your nine clans!"。