Seeing Shen Yuyin's uncertain expression, Yu Sheng felt a burst of embarrassment. No wonder Teacher Mai Lai had been smiling at her for no reason at all. It was probably Shen Yu who was smiling at the door.

"You, why are you at the door?"

"I've been standing here for so long, but hasn't Mrs. Shen noticed anything?"

Uh, Yu Sheng was a little depressed. Why was this person becoming more and more unreasonable? She was sitting with her back to the door. ...