You, a living person, are telling me I've served in the underworld for ten years?

[At the invitation of an old classmate, you went to a construction site to perform a ritual, which angered the evil spirits there. Possessed and controlled by the evil spirits, you climbed to the rooftop and ultimately fell to your death.]
[After your death, your soul drifted to the underworld, becoming a wandering ghost. Undeterred, you persevered and successfully passed the underworld's examinations, becoming a glorious underworld official!]
You served diligently in the underworld for ten years. Just then, the higher-ups of the underworld sought to reopen the path between the living and the dead, and you were chosen to return to the mortal realm.
…………
Chen Yang: "Dude, are there really ghosts in this world?"

Novel keywords: "A Man in the Mortal Realm, You Say I've Served in the Underworld for Ten Years?" (No pop-ups, full TXT download, latest chapter reading)