I Really Didn't Invest in Villains

After Qingxian traveled into the book he wrote and became the villain in the book, he thought he could just survive, level up, fight monsters, and live a long life. But it didn't last long, and he discovered that another group of people had actually traveled into his book and were even discussing a bigger conspiracy. What's worse is that the protagonist Xiao Chen in the book can't let him go. On a rainy night, Qingxian discovers a bigger secret...