Waste Prince: Why do

“Speaking of which, we've really put a lot of thought into arrangements for our ninth brother.”,"His younger brother's daughter I can marry, and other princes can marry her too, but only Ninth Brother is off-limits!",The Crown Prince knew he had lost all face, his cheeks flushed red with embarrassment. His neck was visibly bulging with veins, and his eyes were filled with murderous intent... aimed not only at Summer and her son!。