Curiosities: Trams

"I" broke up. Extremely disappointed. All kinds of bad emotions flooded into "my" heart... At 9:30 in the evening, I suddenly boarded a tram. Weird, weird. He said, "I" was sick, it was a mental illness. Following his prompts, "I" met a psychiatrist and two partners who shared the same illness. Are "we" really partners? What happened next became more and more thought-provoking. The death of a classmate, the betrayal of a friend, And a mysterious "man in black". The only thing that didn't change was the tram that boarded on time at 9:30. What secret is hidden in this tram? … As long as the "stain" in the world remains, the tram will never disappear. ——"Streetcar"