The beginning of the story is when you and I meet, and the end of the story is when you and I meet again. Seven years have passed, but the years have left no trace, and I have lost all my intentions.
That autumn, by coincidence, Si Ying met Guo Yi. It turns out that the best beginning in the world is not: Hello, I am Si Ying. Instead: Hello everyone, I am Si Ying. Then you remembered the name Si Ying.