A restaurant run by ghosts! Kazuko is an orphan with big culinary dreams. One day, she inherits a restaurant from a distant relative with one condition: she must live in the accompanying mansion. The catch? It's haunted! With the help of her new ghost friends, Kazuko works toward her dreams and discovers the meaning of family.

The main character, Aoi Kusanagi, is a profiling user who works in the Investigation Division 11 of the Metropolitan Police Department . The story begins when a new detective is assigned to the profiling section of the Metropolitan Police Department, where Aoi Kusanagi is. It is a story of Aoi Kusanagi solving a number of bizarre murders using profiling, an investigation method that requires extremely reasoning power to identify the criminal from the psychological state of the criminal and the slightest evidence of the scene.