It All Starts With Trillions Of Nether Currency is a Manga/Manhwa/Manhua in english language, manhua series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Lin Yu accidentally awakened a “Rich System” that distributes money every day. But the money which issued by the system is actually usable underworld currency! A few years later, the accumulation of underworld currency reached the trillion level, and suddenly terror revived, and horror games descended to the world. Only by becoming a ghost master can you have a chance of survival! Others are still frightened to curry favor with the ghost, but Lin Yu, relying on his identity as a god, pushes the vacation in the horror dungeon! Money can really change someone even ghost is no different!