C736 Mighty Thundermountain!

"The door isn't locked, come in!"

who was sitting in his office said calmly. It was obvious that the old Principal had come out from the Endless Mountain Range incident after half a year.

In the next second, Bai Xiaofei pushed open the door and entered. Seeing Bai Xiaofei, Lei Shan was not too shocked, at least his expression did not change.

How could he not know that Bai Xiaofei had returned