C415 Behind the scenes

Yan Luoluo turned off the computer and went to Mu Beihan's office to ask him about this matter. In the end, she knocked on the door and entered, only to see that Mu Beihan was sitting in the back of the office as usual.

"Is it a design problem that requires my help?"

Mu Beihan raised his head and asked, he did not expect Yan Luoluo to walk in front of him