Li Siyu woke up and became the youngest prince of a dynasty in a parallel world, with god-level bones. A passing immortal caught his eye and said, "Take this seedling away!" Ten years later, he had quietly cultivated into a true immortal, without even his master noticing. Using the name of "the next leader", he returned to the imperial city and became a reclusive uncle. He originally wanted to live a leisurely life, but he was forced to keep up with the gossip of the harem every day - withholding monthly rules, fighting for favors through witchcraft, fake pregnancy to invite favors, and the shady secrets in the imperial kitchen... Each and every one of them was solved by him in a battle of wits. Hundreds of years later, the small courtyard in the corner of the palace became a restricted area. He accepted Sun Caoxiang from a family of imperial doctors and the youngest daughter of the nine-tailed demon fox Daji, and took the two apprentices to travel around the world. Until the fairy world set its sights on this land - and he just stretched lazily: "Come again?"