Amakasu was educated in military boarding schools in Mie Prefecture and Nagoya, and entered the Imperial Japanese Army Academy in 1912.

The murders also drew attention in the United States, since Munekazu Tachibana was a dual-national with American citizenship, having been born in Portland, Oregon.

[2] During the trial, Amakasu's lawyers tied the murder to soldierly duties, and the ideals of spontaneity, sincerity, and pure motives.

[4] However, he was released from prison in October 1926, due to a general amnesty proclaimed in celebration of the ascension of Hirohito as Emperor of Japan.

After Manchurian Incident, he relocated to Harbin, where he was involved in the effort to smuggle ex-Qing emperor Puyi from the foreign concession in Tianjin into Manchuria, where he would become the puppet ruler of the new state of Manchukuo.

[6] In Manchukuo, Amakasu helped establish the civilian police force in the new capital of Xinjing, as the city of Changchun had been renamed.

[13] After being slapped into declaring her love, she apologizes for anti-Japanese statements, and in a true Pan-Asian union, the two are married and lived happily ever after.

At the same time, the Emperor as a god had such awesome responsibilities to deal with that he had to delegate some of his power down to mere humans so he could focus on more important matters.

In both the Imperial Japanese Army and Navy, officers routinely slapped the faces of the men under their command when giving orders, which was portrayed not as an exercise in petty humiliation, but as an act of love, with His Imperial Majesty's officers acting as the surrogates for the Emperor, who had to discipline his "children" by having their faces slapped all the time.

[16] Hotta wrote that the scene where the Japanese hero slaps the face of the Chinese woman until she declares her love for him was seen in Japan as a romantic gesture, as a sign he cared for her, just in the same way that officers of the Imperial Army and Navy showed the Emperor's "love" for his subjects serving in his Army and Navy by slapping their faces all the time.

[19] With the fall of Manchukuo to Soviet forces during the invasion of Manchuria in August 1945, Amakasu committed suicide by taking potassium cyanide.