Koichi Hirai
作品リスト
| 2018 | Stolen Identity · as Set Decoration |
| 2009 | Romantic Prelude · as Set Decoration |
| 2006 | Aogeba tôtoshi · as Set Decoration |
| 2000 | Battle Royale · as Set DecorationPlex上 |
| 1997 | Lost Paradise · as Set Decoration |
| 2018 | Stolen Identity · as Set Decoration |
| 2009 | Romantic Prelude · as Set Decoration |
| 2006 | Aogeba tôtoshi · as Set Decoration |
| 2000 | Battle Royale · as Set DecorationPlex上 |
| 1997 | Lost Paradise · as Set Decoration |