Your Majesty, Do You Want to Cultivate Immortality Together?

I worked hard for three years and found out that Li Shimin is my father-in-law? Use immortal methods to build infrastructure, lead the emperor's family to cultivate immortality, and marry all his daughters by the way! From the Tang Dynasty to the Qin Dynasty, and then to the Ming Dynasty, the most powerful family cultivating immortal group in history is also fighting to unify the world today!