Kundo Koyama

1992

• [ ] Mystery Experience Zone: Really Scary Stories: Ghost Photos sent to you & Ghost Detectives (Writer) 

2000

• [ ] School Ghost Story: Curse Special (Writer) 

2008

• [ ] Departures (Screenplay) 

2009

• [ ] Snow Prince (Writer) 

2023

• [ ] Yudo: The Way of the Bath (Screenplay) 

2007

• [ ] セレンディップの奇跡 (Script) 

2013

• [ ] Song of the Beginning (Songs)