The First Counselor of the Three Kingdoms

Guo Jia accidentally got a book. Unexpectedly, the book transported him to ancient times and turned into Guo Jia, who had the same name and surname during the Three Kingdoms period. An old man told himself that there are some people who want to change history, and his mission is to stop them. However, he almost died on the second day of time travel. Can he complete this arduous task? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.