Su Yuchen and Su Jinglan knew full well that if they stayed there without leaving, they would incur Su Yuchen's "disgust."
The moment the brother and sister left the Demon Realm, Yun Yao and Su Yuchen departed shortly after. After all, Su Yuchen's whereabouts were hardly a secret, and since Yun Yao had made plenty of enemies, it would be far too easy for those adversaries to follow the trail and track them down.
Along the way, Su Jinglan kept thinking about what Yun Yao had said to her.
Chapter 510