Transmigrating and Binding to Li Shimin

On the first day after transmigrating, Fu Zhanli is bound to Li Shimin and threatened by the System: he must help Li Shimin become a perfect emperor. That isn’t even the most important thing. Due to a System malfunction, Fu Zhanli has temporarily gone blind just after transmigrating, and he also has a stepchild. How can he help Li Shimin become a perfect ruler? They’ll travel together through five thousand years of Chinese civilization, learning from history to understand the present. After Li Shimin becomes emperor, the Turks invade. Fu Zhanli takes him to the Han Dynasty to witness Emperor Wu of Han defeat the Xiongnu. When a princess is asked to marry for peace, Fu Zhanli takes Li Shimin to the Ming Dynasty. When envoys from Wa come to the Tang Dynasty to study, Fu Zhanli takes Li Shimin to the Qing Dynasty. … Prince of Qin Li Shimin is being hunted by the crown prince when he unexpectedly arrives in a small village and hears the thoughts of a young man. [Li Shimin must still be getting hunted by that crown prince right now. When’s he going to rebel?] [Then I can go join him. Otherwise, how am I supposed to help him?] Later, Li Shimin learns that the young man is an immortal, and that he has promised to teach him immortal arts once he becomes emperor. Whenever Li Shimin is in trouble, the young man takes him to see the past and the future.