The East is a delicate matter. And the Japanese are an entirely different world. A European can’t understand them. Expert analyst Dorongo, arriving in Tokyo to investigate a murder, faces not only a criminal riddle, but also a mystery of the Japanese soul. By all accounts, none of the suspects—respectable bankers—could have been the killer. And yet there are corpses. But really—weren’t “ninja” assassins the ones who shot from a pistol in the room where the meeting was held? Dorongo has no other explanation for now. It will be found later, when the very secret of the Japanese soul is revealed to him…