I Got Rich Selling Daily Necessities from the Living World to the Underworld and Vice Versa

College student Gu Yang is injured in an accident and gains the ability to transmigrate to the underworld. This opens up a whole new avenue for doing business. He sells underworld goods in the human world. He sells human-world goods in the underworld. And through his dealings with ghosts and people in both realms, he helps ghosts and humans resolve all kinds of lingering regrets. The more people he helps, the more yin virtue and yang virtue he accumulates. His abilities grow stronger and stronger. After a series of adventures, the male lead ultimately rules both the human world and the underworld!