The story is set in a world where a small number of humans have inherited special powers. They are called the Holders (Minimum). We follow two partners, Nice & Murasaki, who form a detective agency called Hamatora in the city of Yokohama. They asked their headquarters at a table in Cafe Nowhere. Art, a cop who has known for a long time, used their service on a series of murders. The common feature of the victims are to be holders.