Journey to the Tang Dynasty I Am Li Chengqian

Li Chengqian found that he, the deposed prince, was a bit busy. While playing palace battles with his younger brother Li Tai, he also has to fight psychological warfare with his father Li Shimin. Everyone was dumbfounded until he took out the "East Palace Performance Appraisal Regulations" and drew the "Court Power Matrix Diagram". Li Tai: "I'm impeaching you for associating with monsters!" Li Ming: "No, that's our newly hired secret realm development consultant." While others were still fighting for power, he had already stuffed the entire Tang Dynasty, as well as the famous ministers of the dynasty who were about to become gods, into the "Nine-Rank Immortal Official System" he designed. Scroll, roll them all to death! Roll up into a fairy and work for me!