Koichi Igawa

1987

• [ ] Murder on Raicho 9 (Detective Shimizu) 

1988

• [ ] Michinoku Reunion Tour Murders (????) 

1998

• [ ] The Woman Who Disappeared From Her Red Car (Detective Shimizu) 

2001

• [ ] Kyotaro Nishimura's Travel Mystery - Soya Honsen Murder Incident (Detective Shimizu)