Kenji Yamamoto was left devastated when his father tragically passed away from using a deadly stimulant. His world crumbled around him, leading him down a dark path of desperation. Seeking refuge in a life of crime, Kenji found himself in the company of Gang Leader Hiroshi Shibasaki. Hiroshi took Kenji under his wing, becoming a mentor and father figure to him in his time of need. As the years went by, Kenji rose through the ranks and eventually started his own family, breaking free from the shadows of his troubled past.