C393 Professional Extortionist!

A certain someone calmly pouted his lips in the classroom.

"All of their throats are about to turn bald. Didn't you hear that?"

"Ugh..."

Tianruo was speechless. He had indeed heard a lot of noises in the classroom. He had only been a teacher for a long time, so he chose to block the noise outside selectively. Otherwise...

It was really hard to stay in this school