[Machine Translation] Strange documents and photographs in an envelope were found on the grounds of the Tokyo Literature Museum in Chiyoda-ku, Tokyo. It was a highly incriminating case that reeked of looting and kidnapping. Risa Narumi, a member of the Document Decipherment Team of the Forensic Science Section of the Metropolitan Police Department's Investigation Department, Yashiro and the others are summoned to the Kanda Police Station. The two squads begin competing with each other to investigate the strange case. A newly written police novel.