World-class detective Kiyotaka Narumis last words prior to his sudden disappearance continue to haunt his younger brother, Ayumu. The cheeky tenth-grader becomes further embroiled in the mystery when he is mistaken for the prime suspect in a murder at hisschool. Led by Ayumus sister-in-law, Kiyotakas wife and fellow detective, Madoka, the investigation into the murder gives Ayumu a chance to clear his name. But in doing so, he not only uncovers ties to the Blade Children but also more questions than answes about who and what they are. Это и многое другое вы найдете в книге Spiral, Vol. 2: The Bonds of Reasoning (Kyo Shirodaira, Eita Mizuno)