Books (novels and essays) Japanese literature Mystery War

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Japanese Literature
A "holy relic" said to have been discovered by a Japanese millionaire. In order to gain access to the world's valuable "holy relic", Catholics and Orthodox Churches around the world began to look for "great detectives" with dignity and pride. Why on earth? To win the unprecedented "game of reasoning" played for the "battle for the holy relic". America, Ukraine, Japan, Brazil -- all the chosen strong men were superhuman great detectives who possessed not only the weapon of logic but also "special powers". They were all the strongest. But there was only one winner. There was only one true great detective. Who is the world's greatest great detective?