C185 Who is the traitor

"Sister Wei Wei, I've thought about what you said before, but my school really can't find anyone else who might be a traitor." "No," I said.

"Are you sure you didn't think of some people?" Wei Wei continued to ask, but she still spoke with a look of disbelief.

"I'm sure Sister Wei Wei, there really aren't any suspects in the school anymore. I've ruled out everyone else