C472 Phantom Wall

They really did meet a ghost, but they met someone who was pretending to be mysterious. Someone had set up a maze for them to walk around in the maze. However, the one who set up the maze wasn't an expert. It only had a little bit of understanding. This was the so-called 'Wall-Hitting Ghost'.

In the dark, two people were whispering to each other. One of them laughed, "Brother Fan