The Lone Wolf Who Vanished into the Shadows of Shibuya: Kei Hanagata and the Culture of Violence Among the Street Gangs, 1945–1963

In postwar Tokyo, in the streets of Shibuya as they were rebuilding from the ruins, there was a man who made a name for himself with his overwhelming physical strength and fearless temperament. His name was Kei Hanagata. Born in 1930 into a wealthy Tokyo family, Hanagata dropped out of Kokushikan Junior High School, then entered the preparatory course at Meiji University, and eventually joined the Ando-gumi, led by Noboru Ando. At that time, Shibuya was a district where street gangs and organized crime groups vied for control over black markets and entertainment districts. Hanagata was known for his strength in unarmed combat—so-called “stegoro”—and rose to become a senior executive of the Ando-gumi. His reputation was built on violence, instilling fear in his enemies and fostering loyalty among his allies. In 1958, when Noboru Ando was arrested for the assault on Hideki Yokoi, the organization faced a major turning point. Hanagata held the group together in Ando’s absence, but the power struggle continued to intensify. On September 27, 1963, Hanagata was killed during a clash with a rival gang. His short life symbolizes the process by which the image of a hero of violence—born out of the postwar chaos—eventually crumbled under the weight of his own violence.