C439 Cooperation

Humph!

"It better be like this. If I find out that that bastard only wanted to hang up on me, I'll definitely teach him a lesson."

"Seriously, he only knows how to affect my mood. Come, Old Zhang, let's go play chess."

Old Master Qi walked step by step towards the study room on the second floor with his crutch.

In a corner that they hadn't seen