C51 The Incident at the East Window

"Prof. Ghost, are you awake?"

Lee Shaoyu took out the Black Iron Fragment and tried to wake Prof. Ghost up.

"I have been waiting for your answer. Besides, I don't need to sleep at all."

Prof. Ghost immediately replied. Clearly, he was very anxious.

"I've verified half of your technique. It is indeed a good technique, but I can't completely verify half of it. Furthermore, my realm is still low