C221 He must Have Heard Wrongly

"Student Liu Lang... Student Liu Lang, are you alright … " When school was about to end, before they even reached the school entrance, they heard the math teacher shouting behind them. His voice carried a trace of panting.

"Mathematics teacher?" When Lin Xiaoyi saw the figure of the math teacher, she could not help but feel suspicious, "What's he doing here again?"

Oh yeah, big brother Liu Lang