C312 Birthday Dinner
My guess is that this was definitely Qiu Tong's doing. She had discussed this with Hai Zhu beforehand.
Qiu Tong was smart enough not to call Dong Er over.
Of course, she would not be that foolish. Firstly, she might not be able to call Dong Er over, and secondly, if Dong Er really came, would this situation continue on? Can everyone still be happy tonight?
The answer was obvious