Datang: I Show My Cards, I Am the Imperial Master!

In the eleventh year of the Sui Dynasty, war broke out all over the world. Li Yuan: Please help me calculate, how can I escape from Chang'an? Li Shimin: Master, how can I kill my eldest brother and win the throne? Li Jing: Master, how can I become the God of War? Fang Xuanling: Master, there is a severe drought in the world, what should I do? Princess Pingyang: Husband, do you think I will have a boy or a girl? Li Mao: I really can't see this... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.