Go Mishima sexuality. The two men drew artistic nudes together as a pastime; Go Mishima began to pursue a career in homoerotic art in earnest with Yukio Mishima's encouragement, and adopted Mishima's last name to use as his pen name in tribute. After Yukio Mishima's death by ritual suicide, Go Mishima began to depict more violent material and themes in his art, including bondage, masochism, and torture. In 1964, Mishima was published in and "Bara", two of the first magazines in Japan to publish gay and gay pornographic content. He was an early contributor to "Barazoku", which in 1971 became the first
Yukio Mishima later, he formed the Tatenokai ("shield society"), a private militia composed primarily of young students who studied martial principles and physical discipline, and swore to protect the Emperor of Japan. Mishima trained them himself. However, under Mishima's ideology, the emperor was not necessarily the reigning Emperor, but rather the abstract essence of Japan. In "Eirei no Koe" ("Voices of the Heroic Dead"), Mishima denounced Emperor Hirohito for renouncing his claim of divinity after World War II, arguing that millions of Japanese had died in the war for their "living god" Emperor, and that the Showa Emperor's renouncing his divinity meant