A live-action adaptation of the story of Shigeo Yanagawa, known as the "Legendary Bare-Knuckle Yakuza"! What kind of life did this incredibly strong man's short existence entail?! Undefeated in bare-knuckle fights, the man who was too strong, "Bare-Knuckle Shige," a.k.a. Shigeo Yanagawa, quickly gained attention even as a high school student for his impressive fighting skills and charismatic personality, becoming a prominent figure in Matsuyama, Shikoku. However, Shigeo himself had no interest in the world of yakuza and was instead aiming to take university entrance exams. Things changed when an attempt was made on the life of Genichiro Kumada, the head of the Kumada family who had looked after Shigeo. This incident drew him into the yakuza world. Shigeo rose to prominence as Matsuyama's top enforcer. The life of Shigeo Yanagawa, a man who left his mark on post-war outlaw history, is now fully brought to life in this live-action adaptation!