I Am the Game Breaker

Fang Xiao accidentally traveled to a different world with a steam background and possessed a young man named Cheng Ming. Humans here master magical spells through a magical pocket book. But Fang Xiao was very depressed. The time I traveled through was wrong. Why is the original owner still alive? He thought he would live in Cheng Ming's body for the rest of his life, but Cheng Ming encountered an accident. Cheng Ming was killed by a friend, and Cheng Ming's childhood sweetheart also encountered an accident. Fang Xiao, who occupied Cheng Ming's body, had to cooperate with the investigations of the government and the Holy See due to various reasons. As a half participant, he naturally understood that there were too many doubts in this betrayal. During the investigation, a mysterious old man discovered Fang Xiao's identity as a time traveler. He claimed that he had also traveled through time, and also said that Fang Xiao was a disruptive person who could change the complex situation in the world. Fang Xiao raised his forehead, what kind of Riddler do you think he is?