Stay in the Underworld and Earn the Difference

After thousands of years of cultivation and undergoing numerous tests, Ning Ling Yanchuan was demoted back to the underworld to serve on the day he entered the immortal realm. The reason was because the Emperor of Heaven was afraid that his wife would be jealous? Adhering to the attitude that there is a hope of being in the immortal class while she is still in the immortal class, she is working hard, but she heard that the underworld has separated from the jurisdiction of the heaven, and her rights have been reclassified and she is in the underworld and returned to the underworld? Are you afraid that she is a craftsman in the heaven and will be kicked out of the Underworld Mansion without even leaving a job? Let her live on the street? But at this moment, Heaven really sent someone to ask her to be an undercover agent? What to do? Taking the exam to return to the Underworld Palace to serve? That's the Yangguan Road for rich people! Hmm... Knowing that money can make the world go round, she became a middleman between humans and ghosts...