C191 Sister-in-law Was Thinking too Much

"Yo, little sister's little mouth is really sweet. No wonder it makes your big brother so happy."

Su Mianmian smiled very appropriately but her tone was not good. Especially when she stared at Fei Yunxi, it was as if she wanted to eat her.

Fei Yunxi was shocked. Su Mianmian's meaning was so obvious, how could she not understand