Within minutes, the maid went upstairs with the fruit tray.

Butong made a silent gesture to the maid, motioned for her to keep quiet, walked over to lower her voice and said, "you can take it in, don't say I'm outside."

"OK, miss."

the maid knocked on the door, walked into the study, and soon came out.

Butong hurried up to hold the doorknob and beckoned the maid to leave.

the door of the study has been sewn successfully.

Butong knows the layout of the study. No matter they are sitting on the sofa or at the desk, they can't see whether the door is closed.

in this way, she...