Waste Prince: Why do

"For sixteen years, Ninth Brother has spent his days hiding in the library, reading and acting like an idiot. People outside the palace say he is a foolish waste, but who knows if he's just putting on an act",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!",Now being outsmarting myself...Will Father let him off the hook。