Yasunari Kawabata had Parkinson's disease), a possible illicit love affair, or the shock caused by the suicide of his friend Yukio Mishima in 1970. Unlike Mishima, Kawabata left no note, and since (again unlike Mishima) he had not discussed significantly in his writings the topic of taking his own life, his motives remain unclear. However, his Japanese biographer, Takeo Okuno, has related how he had nightmares about Mishima for two or three hundred nights in a row, and was incessantly haunted by the specter of Mishima. In a persistently depressed state of mind, he would tell friends during his last years that
Kazuya Mishima was influenced by a variety of sources. Kazuya's family name was taken author Yukio Mishima, who was also used a model for the character's physical appearance. Harada compared Kazuya to a yakuza, while artist Takayuki Yamaguchi based the character's "Tekken 6" costume on a robot. When describing Kazuya's personality, Harada cited him, along with Heihachi and Jin Kazama, as the violent characters of "Tekken"; he described the family as too quarrelsome. Denying claims that "Tekken"'s plot is too convoluted, Harada said that its basic story is a "simple" struggle among members of the Mishima family with other characters dragged into