Douluo: the Mastermind Behind Peerless No. 1

Xu Yao travels through the Douluo Continent, the peerless Tang Sect timeline, and awakens the behind-the-scenes system. As long as the original plot is changed, you can get high rewards! As a result, the world line began to develop in a strange direction. Why did Huo Yuhao and Wang Dong turn against each other? Why did Shrek Academy, the number one institution in the mainland, collapse? Why did the Sun and Moon Empire suddenly start a technological revolution? … Regarding this series of changes, Xu Yao could only spread his hands innocently. "What are you looking at me for? Could it be that I did it all?" "I can't come!"