C429 The Construction of the Mansion

*Creak.* The heavy wooden door opened quietly, revealing nothing but darkness outside. Not a soul was in sight.

"Strange, did I just imagine it?" Bai Mengci muttered to herself. She was about to close the door when something caught her eye—a piece of paper at her feet.

She was certain that no one had entered since the servant brought her dinner. Bai Mengci bent down slowly