C998 After Sending Him off

Nie Zeyu was being stared at, and a smile immediately spread across his face. He said happily, "Your sister and I are the kind of couple who eat together, live together, and do everything together. So if you call her 'sister,' you should call me 'brother-in-law,' got it?"

Nie Zeyu explained earnestly, but Lin Tianze was completely confused. He wanted to ask Nie Zeyu for a proper explanation