The Korean drama Hero Chun Xiang later became Chun Xiang's mother. Where did she go?

It is said that Chunxiang's mother went on strike or something. She quit the cast when something happened ~ ~

Many Korean dramas are like this ~ because something is stopped, and then the whole drama is trying to get rid of it ~ but the hero's BJ is not very good ~ ~

Those who quit halfway, such as Li Duohai in East of Eden, Zhicheng in Have a Special liking, and so on.