A Strange Book Appeared, and I Became the Common Enemy of the Six Realms?

A strange book triggered thousands of years of struggle in the Yushen Continent. After a tragedy, Yuri received from his mother the fragments of a strange book that had been passed down from generation to generation in the family. Yuri has been involved in the game since then, just to break the reincarnation and save the common people, but unexpectedly discovered that the final boss is actually myself?