Fantasy: I am the big BOSS behind the scenes

Qin Mu travels through the fantasy world and obtains the behind-the-scenes Big Boss system, which can open up various fantasy secret realms and turn the thoughts in his mind into reality. At this time, there were thousands of races, and the human race was weak. The most powerful people in history were born, and they were bullied and oppressed wantonly. It just so happens that the world has changed for hundreds of generations, and the history of millions of years ago has long been forgotten by all living beings. Qin Mu said, it is up to me to shape history for all living beings, and then...