After being reborn, Nishikawa Yui found that the world around her seemed to be extraordinary, and the friends around her seemed to be extraordinary, as if she were the protagonist in a drama. And then she seemed to be just a walk-in who provided a backdrop for the passerby, but why did the promised fresh life of a high school student always end up with dead people? ! Then Miss Suzuki, who was getting numb day by day, said that it would be better to leave this kind of work to the little ghost detective, and it would be more interesting to tease her little wolfdog.