Business meets violence. The ultimate fighting manga begins! Yamashita Kazuo is a 56-year-old man with a broken home stuck in a dead-end job, but suddenly he gets called in by the president of his company! The timid Yamashita Kazuo learns the truth about the Japanese economy: that corporations are wagering massive profits on martial arts fights between hired fighters. They are called the Kengan Matches!!!! Kazuo is given a mission to manage their company's fighter: a young man who is violence embodied named Tokita Ohma!!! What lies in store for Yamashita Kazuo...!!?? Violence meets business meets human drama. Why do men fight? What do they grasp with their fists? The ultimate martial entertainment begins here!!!!