C2001 Can She Still Live?

"Old professor, are you not welcoming me?"

Han Qingyun stood rooted to the ground. He had never thought that Old Professor Wen would open the door himself. He had never thought that Old Professor Wen would be so embarrassed after seeing him.

So, what did he do wrong?

He stared at Old Professor Wen with a dumbfounded expression, seemingly at a loss