C311 A person who has solved a problem

There were still a few people who weren't with them, so they just chatted among themselves. All the students were in class, and some of them were sleeping seriously.

The teacher on the podium was full of passion and saliva was flying everywhere.

Chu Xieyun stood outside and no one paid attention to him. No one cared. He seemed transparent. No one could see him.

He shook his head