The Analects of Righteous Father’s Collapse

The first lesson happens to be a math class.

A lean little old man came in from outside with a transparent glass.

He turned the glass away, took a sip of the strong tea, and then replayed the cup on the table.

All the classmates were taken aback by his action.

It seemed that he was very satisfied with the effect he had made. Xiao Changming smiled, then put his hands behind his back and cleared his voice.

"You are the worst I have ever brought!"