C89 He Failed to Escape

In a dark room, the curtains are tightly shut.

Not even a trace of sunlight could penetrate through. The air was very quiet.

Su Xiaoxiao had thought of many ways to escape these days.

Including writing a note and throwing it under the building for help, shouting for help in the stairwell, and so on. Unfortunately, she could not get a response like a stone sinking into the ocean