Six years later, Li Yuyan attended a high school class reunion on New Year's Eve. By chance, she asked Xu Yifan to send her home. Later, when she woke up with fragmented memories, she found that she was in a virtual world and had to complete a task before she could return to the real world. This virtual world was her high school days, and she had to get close to Xu Yifan in high school again...
Concept: Xu Yifan has been waiting for Li Yuyan to look back. Li Yuyan recovers Xu Yifan in the virtual world and resolves her knot, and reconciles with Xu Yifan after returning to the real world.