C154 Why would someone else climb on top of me(2)

"Don't cry for me." Nangong Yan looked at her crying. He reached out his hand to pull away her hand and turned around, unwilling to see her crying. No matter what she did, she was still his little sister.

Ever since he was young, he had always said that he would protect her well and not let her be harmed in the slightest. But now, what should he do? Teach her