C633 So Young

As a substitute teacher, Yingxi would soon become a human soul engineer. Naturally, she would fully display the most basic of etiquette.

"Hello, Mr. Song. I am Song Cheng's substitute teacher. My name is Xu Yingxi."

"Xu Yingxi?"

The sunlight shined in through the window and onto Song Yangyu's exquisite facial features. In that instant