The night horror novelist Chen Du finished writing "The Black Room", he was dragged into the book by the strange "him" he wrote. He thought he was the author until he discovered that He had written by His hand for six months. Every chapter update opens the door for Him. Now the door opened, He entered reality, and Chen Du was locked in the dark room he wrote. The left arm is engraved with the rules he set with his own hands: remaining, three times.
