Just as she finished muttering to herself, she saw the bookshelf slide open from the middle, revealing a narrow passage just wide enough for one person. Calista's eyes widened slightly. For a moment, she hesitated, unsure if she should step inside. In the end, she went in. The farther she walked, the stronger the scent of blood and leather became. She had to turn on her phone's flashlight. As the beam swept across the room, she was so shocked she couldn't even speak. The walls were lined with all kinds of torture devices, some still stained with fresh blood. Dark red streaks covered the floor. Calista knew that certain members of high society had some unspeakable fetishes. But seeing it with her own eyes made her stomach churn. Disgusted, she lost any interest in investigating furth

