There must be something among the majestic and solemn high-rise buildings that most people cannot know. They are hidden in the darkness, whispering to the passing time in a world isolated from us. ————Do you have a wish? If so, please come to "Listen". This is the first time the author has written an article. His writing style is not good and there are a lot of bugs. The article may be abandoned at any time, so proceed with caution! ! !