This collection of novels tells a total of four love stories, named after the first story's boundary between day and night. The first two stories tell the mysterious love stories of Chen Wan and Lin Shen, Ling Shuang and Mo Yanshi, who overcame many obstacles from the two camps of immortals and demons and finally achieved consummation. Tell the world that in the face of love, they must defeat themselves, learn to be tolerant, and promote each other. There is no confrontation between immortals and demons, no life or death decision, only ordinary people staying together. The third story tells the story of Lin Xiaoxi's life of struggle. It is a modern version of a love story, telling the world that the most important thing in the face of love is not to become the most dazzling star, but to find the right self to warm the other person. The fourth story tells the reincarnation love story of Lin Xuan and Cheng Yu, telling the world that in the face of love, we must learn to forgive each other and eliminate misunderstandings and regrets.
