At the Beginning, He Was Actually Possessed by the Big Sister?!

Li Nianyun traveled through time, but others were born with golden fingers. Why was he possessed by a big sister when he was born? Frustrated young man Li Nianyun had a car accident with a truck on his way home. The cause of death was almost the same as that of his parents. Why? Why did he travel to Dachu after his death? What secrets does Dachu have? "Hongmeng Period" 17000-0 years before - "Ancient Period" 1-3500 years - "Enlightenment Period" 3501-9299 years - "Legacy Period" 9300 years - 14999 years - " "Immortal Sage Period" 15,000-29,000 years - "Chaos Period" 29,001-30,000 years - "Zhongsheng Period" 30,001 years - 38,880 years - "Decay Period" 38,881 years -? What has happened in the 40,000 years since the birth of Nian Dachu? Where is Dachu, and what is Dachu? "Immortal? What's the difference between an immortal and a human? I'll kill him too!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.