Action and other shtuff

In a world where humans and ghosts live together the ghosts were acting up and fighting over land and territory so finally there pasts 3 acts. And the ghosts can live in hotels fully free of charge. An agent goes to the ghost housing quarters to investigate the head of the housing quarters yet faints and finds himself in the man’s office.

exactly as the title says after the world suddenly undergoes a change no there are awakened ones. the mc is scouted to help end the horror but is betrayed by the "hero" and killed so the awakened ones can profit from the dungeons and gets sent back in time with the intent to kill the "hero". will he be able to accomplish his goal? 5 stars

the mc is the only one to read an online novel and on the day that the last chapter is released he gets a message from the author who sends him a warning and sends all the chapters of the novel as a thanks. suddenly a dokkaebi appears and anounces the first task/quest and he realizes this is the world of the novel, he gathers strong characters as allies and decides to try his best to survive. 4 stars.