Between August and October, 1952, a series of unusual crimes takes place in Musashino and Mitaka: the attempted murder of 14-year-old Kanako Yuzuki, Kanako's abduction from the strange research "hospital" where she was recovering, then abductions of other girls, followed by their severed limbs in custom-fitted boxes being placed in surrounding towns. News editor Morihiko Toriguchi and crime fiction writer Tatsumi Sekiguchi investigate with the help of onmyōji Akihiko Chūzenji. Meanwhile, Tōkyō police detective Shutaro Kiba searches for Kanako, despite Kanagawa police having jurisdiction; and the lawyer for the estate of Kanako's grandfather hires private investigator Reijiro Enokizu to find Kanako, as well. Their investigation uncovers bizarre truths and dark family secrets along the way.

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