In the Wasteland Era, I Can Change the World Line

Jiang Yang came to this doomsday wasteland, where supplies were scarce. The dirty environment, out-of-control omnics and modified humans have pushed the world to the brink of destruction. But Jiang Yang holds a special book of time and space, which simulates the lives of various characters before the end of the world, but each simulation will leave a trace of change in the world. So one by one special legends appeared... He is a world-renowned scientist... He is a rich and wealthy asset tycoon... He was a pioneer in the fight against oppression... He is the founder of the era of supernatural powers... As he continued to survive, the world also underwent hundreds of millions of tiny changes.