C176 Liu Kai Was Back!

Lu family.

In the study room.

Lu Fengting was sitting on a chair with a red marriage certificate in his hand. He stared blankly at the photo on it until Lu Fengtian walked in front of him.

"This study is mine. Didn't you knock on the door when you came in?" Lu Fengting closed the marriage certificate and said with a frown.

"I knocked on the door. You didn't hear me. " Lu Fengtian said lightly