This is a story about them. They were childhood sweethearts, she was open-minded, casual, and happy, while he was as gentle as jade, always waiting silently behind his back. After 20 years of getting along, the relationship between the two has been deeply rooted in their bones, but she has always been slow. When he thought she had found the happiness and was about to leave, she turned around and found that the man was in the dim light!