Suffering from Terminal Illness, Relying on Ghosts to Survive

Ji Mo, who only had one month left to live, had given up hope of living. But a strange letter changed him, Something happened to his mother too, and he had to change. The supernatural being has revived, and he wants to make money from the supernatural power and gain life span! "I want to live! No matter the cost!" "I want money! Mom needs me!" "Are you a ghost? Me too!" (Imitation mystery)