I Am a Ghost Servant, so It Is Reasonable to Beat up the Ghost Master.

[Urban + Thriller + System + Funny + Not the Holy Mother] Two years ago, another huge planet wrapped in black mist appeared out of thin air near the earth. Looking from the earth, that planet was very close at hand, but after people explored it, they found that it was out of reach. Since then, many people over the age of 18 have received death expresses, gone to the ghost realm, and become ghost servants, and this has been a terrifying experience. While others were still trying to control the fear in their hearts, Lin Yang, who was also a ghost servant, had already begun to beat up the ghost masters. Because, one month before entering the ghost realm, he was selected by the system, and there was another 'soul' in his body...