C1452 Regret Is No Use
The reason he was returning to the Bei City now was to protect Su Mann. He did not want Su Mann to fall into Xuan Rongweng's hands, so he ran back to bring Su Mann back.
However, things went against his wishes. Su Mann didn't take him, her father, to heart and went against him completely.
It wasn't that Su Mann wasn't filial, she just didn't like the feeling of being controlled