Henkan kōshōjin Itsuka Okinawa o torimodosu

In 2010 while covering the issue of the secret agreement at the Ministry of Foreign Affairs the author came across diplomatic documents relating to the reversion of Okinawa and was particularly impressed by the handwritten documents of Kazuo Chiba then Director of the North American First Division at the Ministry of Foreign Affairs which unlike ordinary bureaucrats stood out from the crowd and seemed unique The name of Chiba subsequently appeared in a number of documents left by former Prime Minister Eisaku Satos secretary and the author became interested in finding out what kind of person he was