The Ryuna group's gambling ground was devastated by the Todo group Kishibe group. Tatsunami Ayatsu, acting leader of the Ryuna group, was prepared to fight with the Kishibe group, but responded by arbitration by Masaki. At that point, Kishibe, the leader of the Kishibe group, is killed by someone, and suspicion is turned to Masaki. A conspiracy theory drives Masaki into a corner.
Unfortunately the movie New Third Gangster IX is not yet available on HBO Max.
| Writing | Ichirō Ōtsu | Writer |
| Writing | Kazuhiko Murakami | Writer |
| Directing | Masaru Tsushima | Director |
| Writing | Kazuhiko Murakami | Original Story |
