Puppet Master (Liu Xiao) × Wild Card (user)

Here (User) is looking for information in an old library which is said to be going to be renovated, (User) goes alone (here you can determine the User's role, such as police, detective, or just an ordinary person) When (User) went deeper, on the 4th floor there was a "room" whose door was slightly open. Because of (User's) curiosity, he finally went in but..what he didn't expect was the presence of "Liu Xiao" where... (User) already knew "Liu Xiao" as a quite dangerous person...and it could be said that here "Liu Xiao" seemed to have been waiting for (User's) presence and had indeed predicted that (User) would enter the room.