From the new era name to the enthronement ceremony and the 10-day holiday, the Japanese government is currently creating a celebratory boom. On the other hand, there is also a reversal phenomenon in which liberal powers pay tribute to Emperor Heisei. And the truth of the revival of the "Imperial Rescript on Education" spilled out from the Liberal Democratic Party lawmakers. I want to think about it because it is now that the emperor is changing. Is the emperor system really necessary in this country?! This expanded edition, which includes the latest research by the original author Tetsu Kariya, once again asks the meaning of the emperor system. What is an emperor? Is Emperor Showa not responsible for the war? Is the current symbolic emperor system really harmless?