They met in the most beautiful years. They thought they had captured the greatest happiness in the world and gave everything they had. However, they were disturbed by irreversible people and things. His sudden departure made all the years turn into the moonlight behind them, shining suddenly. Three years later, Qianfan has passed away, and the originally peaceful life was broken by his appearance. From the first meeting to the separation, from gathering to separation, what we spend our whole life learning are still those simple words when we were young? It's easy to come and hard to go. When all the sadness is burned into ashes, you realize that it is always the first longing that defeats you.