C140 Stealing leng's secret

The teacher was so angry that the roots of his teeth were itching, but what could he do to him? He could only go and coax the crying children.

"Being together with these brats every day, will it cause my IQ to degrade?" Leng Xinhao muttered to himself as he carried his laptop into the bathroom. Every time, he would have to go there to fiddle with the laptop