Emperor of Japan
The current Emperor on the throne is typically referred to as "Tennō Heika" (, "His (Imperial) Majesty the Emperor"), "Kinjō Heika" (, "His Current Majesty") or simply "Tennō", when speaking Japanese. The current Emperor will be renamed "Daijō Tennō" (, Retired Emperor), often shortened to "Jōkō" (), upon his planned retirement on 30 April 2019, and renamed "Heisei Tennō" () after his death and will then be referred to exclusively by that name in Japanese. In Japanese culture, it is considered a major faux pas to refer to a living Emperor by his posthumous name, although the posthumous name is the same as the era, which is used in official documents.
Yasuhira Kiyohara
Seicho Matsumoto (松本 清張, Matsumoto Seicho) was one of the influential writers of the history of modern Japan as well as mysterious novels. In his "Showa Shi Hakkutsu" 『昭和史発掘』,Matsumoto cited what Yasuhira Kiyohara later revealed in 1986, in characterizing the incident, that Kiyohara led his group of soldiers to the front of the Imperial Palace without any machine guns or weapons. Matsumoto saw in this fact that they were so immature and misunderstood Emperor Hirohito. Kiyohara said in a round-table discussion that "it was our program that we enter the Palace with the permission of Emperor Hirohito through Military Officer General to his Majesty Honjo. However, Emperor Hirohito was very furious at our coup d'état."
He wrote a book titled "Konpaku" in which he describes the coup and Chizuko Mifune, a younger sister of his mother.