Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Perfect Number | 2012 | |
| Writer | Suspect X | 2008 | |
| Writer | Masquerade Hotel | 2019 | |
| Writer | The Secret | 2007 | |
| Writer | The Crimes That Bind | 2018 | |
| Writer | The Miracles of the Namiya General Store | 2017 | |
| Writer | 백야행 - 하얀 어둠 속을 걷다 | 2009 | |
| Writer | Laplace's Witch | 2018 | |
| Writer | Parallel World Love Story | 2019 | |
| Writer | Midsummer's Equation | 2013 | |
| Writer | Platinum Data | 2013 | |
| Writer | Himitsu | 1999 |