Joe Yuki, one of Shibuya's coolest DJs, secretly serves as a gang leader. Haunted by a traumatic childhood, he harbors a fierce hatred for "weaklings" and views winning as his sole option in life. One night, an old man is taunted by a kid known as "the human punching bag." The old man reminds Joe of his parents and his own childhood, prompting him to uncontrollably challenge the kid to a fight. In this bout, Joe is defeated, and his pride is utterly shattered into pieces.