Doomsday Supplier

The end of the world has come, civilization has turned back, species has returned to ancient times, and humans have become weak. Come to the end of the world, hold a mutated mobile phone, and become a businessman in the end of the world. This was supposed to be the road to becoming a god, but Lu Tian was worried about the raw materials. "Everyone else is a genius at the system, why do I have to bleed a lot when I use you to do something..." Book club group: 366817979