Traveling Through the World of Immortality for 100,000 Years and Meeting a Strange Apprentice

The protagonist, Lin Fan, travels to the world of immortality for 100,000 years. He is extremely powerful but is forced to be bound by the apprenticeship system, and finally reaches the pinnacle of life. The protagonist is the frustration of a modern man who travels through time and is forced to start a business as a master. The conflict between the rigid rules of the system and the protagonist's saucy operations, as well as the various outrageous talents of the apprentices.