Prompt: In the night classroom of the evening school, a thin mist wafted over the window. Moonlight penetrated through the glass, casting a pale glow on the classroom. A faintly lit candle adorned a desk, where an ancient book rested. The sound of pages turning echoed in the silent night. The entire scene was enveloped in a mysterious atmosphere. On the ancient window, a vague face seemed to be reflected, sending shivers down the spine. The deep hues and mysterious elements in this imagery convey the eerie ambiance of the story.