Traveling Between Two Worlds, the Strongest Porter in History

Wang Yu's life was originally ordinary, until he opened a "door". On one side is the modern city of reinforced concrete, and on the other side is the barbaric and alien world where spiritual energy has revived. He brought back a few pieces of rare metal from another world and exchanged them for his first pot of gold at an auction house; he brought back a few peerless herbs and he became famous in the medical community. Buying with his left hand and selling with his right, Wang Yu just wanted to live a good life, but as the trade between the two worlds grew bigger and bigger, he found that he was at the top of the world without knowing it.