Your Majesty, Care to Cultivate Immortality Together?

After lying low for three years, I finally came out of hiding, only to discover that Li Shimin was my father-in-law? I use immortal arts to build up the country, help the emperor and his whole family cultivate immortality, and even marry all his daughters! From the Tang Dynasty to the Qin Dynasty, then back to the Ming Dynasty to save people, the strongest family cultivation group in history is working hard to unite all the worlds once again!