[Datang + Machiavellianism + Li Chengqian + AI Brain]
Xiao Yu, in the beginning, traveled back to the Zhenguan period and was the assassin who assassinated Li Shimin. Because of his outstanding appearance, he was rescued by Prince Li Chengqian and became an aide in the Prince's Mansion! I wanted to focus on my career, but I didn't expect to be entangled by the crazy princess.
In Li Er's later years, the conflict between father and son became more and more serious, and the position of the prince was in danger! Facing the pressure of King Wei's party, Xiao Yu couldn't bear it and could only console him: Your Highness, why don't you follow the example of your father and come to the Xuanwu Sect to succeed you?