Koichi Iiboshi

1973

• [ ] Battles Without Honor and Humanity: Proxy War (Story) 
• [ W ] Battles Without Honor and Humanity (Story) 
• [ ] Battles Without Honor and Humanity: Deadly Fight in Hiroshima (Story) 
• [ ] Dangerous Trade in Kobe (Original Story) 

1974

• [ ] New Battles Without Honor and Humanity 1 (Story) 
• [ ] Battles Without Honor and Humanity: Final Episode (Story) 
• [ ] Battles Without Honor and Humanity: Police Tactics (Story) 
• [ ] Code of Wolves (Original Story) 
• [ ] The Tattooed Hitman (Original Story) 

1977

• [ ] Japan's Don (Original Story) 
• [ ] Japanese Godfather: Ambition (Novel) 
• [ ] The Sex Pervert (Original Story) 

1978

• [ ] Japanese Godfather: Conclusion (Story) 

1979

• [ ] Aftermath of Battles Without Honor and Humanity (Story) 

1980

• [ ] Battles Without Honor and Humanity: The Complete Saga (Story) 

1981

• [ ] Flames of Blood (Story) 
• [ ] Zoom Up: Sexual Crime Report (Original Story) 

1999

• [ ] New Gokudo Legend: Three Dragons (Original Story) 

2000

• [ ] New Gokudo: Legend Three Dragons 2 (Original Story) 
• [ ] Another Battle (Original Story) 

2002

• [ ] Yakuza Wolves: The Yanagawa Gang (Novel) 

2003

• [ ] Another Battle/Conspiracy (Writer)