Xiao Yunan was a drug criminal who lived around, manufacturing and selling drugs, eating, drinking, prostitution and gambling. However, such a "scourge" did not survive for thousands of years, but instead became an unknown short-lived ghost.
He was unwilling or his long-cherished wish was fulfilled, so that his spiritual energy could remain and get in touch with the future space. Under the discussion of future technology, he decided to sign a contract with a system called "Save the Weak Supporting Actor" and complete tasks one after another until he was reborn.
And is rebirth really that simple?