C459 Meaning of expulsion

After the conversation, Ni Ka said to Cao Ziyang in his broken Chinese: "Cao, our Clan Leader has contracted a strange disease, I would like to invite you to see if there is anything you can do, is that alright?" She looked pleadingly at Cao Ziyang as she spoke.

Cao Ziyang nodded and said, "It's your business, it's my business. You don't have to be so polite in the future