I Survived by Solving Cold Cases and Saved a Mansion in the Underworld

[Solving unsolved cases + soul traveling to catch the murderer + micro-thriller + plot + black humor] Ah Ling, a social beast who has no hatred and no debts, and lives a two-point and one-line life every day, He was killed mysteriously without warning, and the murderer's criminal methods were extremely cruel. Ah Ling was chosen as an errand by the King of Hell for some outrageous reasons... There have been a lot of rumors in the underworld recently. After a gap of hundreds of years, someone has finally taken up the job of solving the unsolved case. This yin and yang sandwiched life of neither human nor ghost, the feeling of being on the edge of life and death every day... Is actually pretty good. Every time an innocent soul who died a tragic death was saved, Ah Ling could live a little longer. The main reason for struggling so hard is because as a mystery fan, Ah Ling also wants to know who the murderer is in these cases. Ah Ling: Also, who killed me? (Li Gui Zhensheng) Who would have thought that even if one could travel between the Yin and Yang realms, it would be so difficult to solve the case. There are no worldly desires, but don't delay saving money fiercely. A small goal, living in a mansion in both Yin and Yang realms. *The unsolved case may have a prototype, but the plot and conclusion of this story are purely fictitious.