Description:At first glance, the Fukuoka city seems like a peaceful one, but under the surface, crime is running rampant. The city's Hakata ward is home to the professionals of the underworld professional killers, detectives, informants, professional revenge seekers, those skilled in torture, and more. And according to urban legend, even a "killer of professional killers" exists in the city. When stories of the men in the underworld are told, a "professional killer murder" appears.Anime News Network