A few weeks after their last deadly fight, Ken and Seijiro are still living for brawls. But when Ken’s junior Shun (Kinomoto Minehiro) gets entangled in Grips’ drug trade, tensions escalate. Around the same time, Ken receives a challenge letter from Grips leader Masa, demanding a final showdown at the underground fight club. At last, the ultimate clash—Ken vs. Masa—begins.
| Actor | Role |
|---|---|
 Takahiro KuroishiNot listed | Not listed |
 Keisuke KatoNot listed | Not listed |
 Minehiro KinomotoNot listed | Not listed |
 Masanobu KatsumuraNot listed | Not listed |
| 菊菊地廣隆Not listed | Not listed |
 Asana MamoruNot listed | Not listed |
| 伊伊藤花菜Not listed | Not listed |
| KKyôko TakahashiNot listed | Not listed |
 Kazuki TsujimotoNot listed | Not listed |
| SSachio ItamiNot listed | Not listed |
 Kyosuke YabeNot listed | Not listed |