C1833 This Brat Is too Ruthless

Bai Xiaohei jumped into the secret room's entrance and saw a square room below him. At the entrance, there was a wooden ladder going straight up and down, and at the southwest corner of the square room, there was a table with an oil lamp that was not very bright.

A short figure stood at the table with his back facing the entrance while the crown prince walked to the back of the figure.

"Xuan'er