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This is the latest work in the Scientific Investigation Mystery Series, drawn by the author of the popular "Chemical Detective Mr. Takarajima Island" series in the Domestic Mystery
The Curies Company Library! National Research Institute of Police Science The three trainees in the Hongo branch office of the so-called "Kakeiken" selected "difficult to solve, incomprehensible and difficult cases" or "interesting cases" because of the extension of their training period. The chief of the office, Tsuchiya, who was once called "the Holmes of the Kakeiken" by police officials for his keen insight and sharpness of reasoning, seemed to be absorbed in the research of the university more than the incident as usual, but one time something happened to Tsuchiya.