Protagonist: Fu Lijia, a woman who looks to be in her thirties and lives alone. Her actual age is unknown. She is an original novelist and has helped the police station analyze cases many times. She has an unconventional personality, but she insists on living the life of a literary young woman. Gradually, the cases that I came across became more and more mysterious and strange, and all the cases seemed to be related to certain forces. While solving bizarre cases one after another, the harem inexplicably becomes more and more enriched.