But he couldn't understand why Su Ziqing wanted his explanation, but also deleted his W chat friend.

So he paused when he reached for the single-shoulder bag in the desk, and directly picked up the pen to write a sentence under Su Ziqing's words:

"You deleted my W chat, how do you expect me to explain?"

After finishing writing, just like Su Ziqing did before, slowly pushed the notebook back in front of her.