C679 I Know It like the Back of My Hand

In order to get Xi Yan, Xia Xueyan had obviously lost control of herself. She had started to do whatever she could. Tuan Tuan was the son that Qingli and Xi Yan doted on. As long as she had this trump card, she could completely control Xi Yan and the others.

She could use Tuan Tuan to threaten Qingli and make her leave Xi Yan forever