"What can I do for you?" The curtains of the window fluttered, blown into the room by the fierce wind swirling around the hillside. "Bang! Bang! Bang!" From time to time, the curtains hit the wooden frames, making the very loud sounds. Such constant noise gave people the creeps.

It was especially terrifying when a figure was standing still on the windowsill in the dark, moonless night.

All of a sudden, Ning Qingshan woke up from her dream. Before she could scream, ...