Prequel to Langya: Scarlet Flame Emperor Master

A "fan fiction" that no one knows about, is actually the key to an imaginary world? Zhou Xuan, a history teacher, fell into the turbulent years before Emperor Liang ascended the throne just because he opened "The Prequel of Langya: Red Flame Tribulation" in a second-hand bookstore. After becoming a private school teacher, he had nothing but knowledge that transcended the times and a quietly updated "book of prophecies." At that time, Lin Xie had not yet become the commander-in-chief, Yan Que was still a passionate scholar, and Xiao Xuan was just a repressed prince. Zhou Xuan accidentally made friends with three people, used modern strategies to help them break the situation, and gradually embarked on the path of becoming a god. However, the great wheel of history has already engraved the tragic ending of the Red Flame Army. Can he turn things around and save his best friends and tens of thousands of loyal souls?​​ Why did that mysterious book choose him alone?​​ ​One miscalculation and you will be doomed. If you make the right move, you might be able to... Change your destiny!