I Am a Real Estate Agent, How Come I Have Become a Heavenly Master?

The protagonist has just become a real estate agent, and the first room he gets is a mysterious building. The protagonist gets some abilities by chance. After successfully getting out, he keeps wandering around the mysterious buildings in various areas to deal with supernatural events, and finally suppresses all the ghosts in the world. Many years later.... Qi Mo put his hands in a pool and said, "That's good, brothers." "Charge away!"