The novel seems so change direction quite quickly from a time travel to the past to a virtual reality one. OK this is an update after ch. 2, we'll it both a time travel and virtual reality type novel. From what I can speculate the protagonist travels back in time and finds that in this specific time technology is much more advanced then his own time line. However the entertainment industry is dull compared to his original time line. He decides to take advantage of this by becoming an author use popular novels from his own timeline. When he suddenly comes across the first ever VRG and decides to play it