秦老师讲头发白的因果

Ning Cheng looked at Shi Qionghua in surprise. Shi Qionghua was born in the Qingqing Dao Sect, and logically should be the descendant of Xu Yingdie's grandma. Xu Yingdie's grandmother didn't even know about it, so how did Shi Qionghua know about it?...