Hearing that the back door may not be sealed, Ning Huaiyuan hesitated for a moment, then walked to the back door which was just round the corner.

The back door of the Ningying Courtyard was facing the direction of the Bright Frost Garden. But when one came from that direction, one could not see the back door directly, because of a side room that was located there. Part of the room jutted out and hid the back door from one's view. Only when one walked round the side of this room, ...