That night often appears in my dreams, with the full moon on the silver plate, the sound of frogs and the chirping of cicadas, and the starry night surrounded by fireflies. He took off a pendant and hung it around her neck: "This is the promise I made to you. I hope you will feel at ease when you see this thing. I hope you and I will meet again in the future. This token will prove that you and I will never be separated." She didn't understand that when they saw each other again, he had already forgotten his promise, and she didn't understand that her heartbreak for him was so cold in return. Is it true that all men are unlucky? Finally, when she no longer had any obsession, she realized that their acquaintance was a mistake, but fate happened, so who can blame whom?