C181 Gunshot

As the three of them were talking, they suddenly heard a knock on the door. A few of them immediately tensed up.

"Who?" Chen Ke asked.

"Brother Kun, it's me." Teacher's voice came from outside.

The three of them looked at each other, then Chen Ke stood up to open the door.

"You haven't slept yet, right?" the teacher asked from the doorway.

"Not yet." Chen Ke said