A prison island where criminals are isolated from society. Yoshioka repeatedly clashes with the guards, and after Kubota is captured and badly injured, the two are thrown into solitary confinement and beaten relentlessly. Amid the violence, Oogami (Yu Matsuda), the hospital’s chief, orders that they be treated. The next day, Yoshioka and thirty other inmates are taken to a classroom. Standing at the podium is the island’s new owner, Sakata (Daisuke Nagakura), who delivers a chilling announcement: “Today, you’re all going to kill each other.” A deadly free-for-all among young offenders begins. The long-awaited second chapter of the series.

Yamadai is the third generation Tamba group leader, a man who stands at the top of Japan's largest Yakuza organization. In Yakuza society, he rules as an absolute figure who should not be touched. However, one day a samurai appears with his blade raised against the untouchable man...

"Crime City Shinjuku" - The Tokyo Metropolitan Police Department's Organized Crime Control Division, commonly known as "Sotai", keeps an eye on the dark side of society. Among them is a special section called the "Guerror Division," which was set up solely for the purpose of making a breakthrough in the investigation. Personal feelings and morals are not required in their investigation. All that is required is an isolated and unaided forced investigation to improve the clearance rate. Hodaka (Yasukaze Motomiya), a detective in the guerrilla division, invites his junior colleague Ushijima (Ryohei Abe), who is on leave from work, to the guerrilla division in order to eliminate the yakuza organization "Kokuryukai," whose true situation cannot be ascertained.

"Crime City Shinjuku" - The Tokyo Metropolitan Police Department's Organized Crime Control Division, commonly known as "Sotai", keeps an eye on the dark side of society. Among them is a special section called the "Guerror Division," which was set up solely for the purpose of making a breakthrough in the investigation. Ushijima (Ryohei Abe) works hard to eliminate the Black Dragon Society, but he is unable to grasp the reality. As the investigation continues, Ushijima is targeted by people from the Black Dragon Society. When Ushijima, who was supposed to be a member of the guerrilla division and whose existence was not known, was targeted, he begins to suspect that there is a whistleblower.