Hiroyoshi Koiwai
| Film Title | Year | Job Title |
|---|---|---|
| Lumberjack the Monster | 2023 | Writer |
| Rurouni Kenshin: Final Chapter Part II - The Beginning | 2021 | Producer |
| Brave Story | 2006 | Producer |
| Film Title | Year | Job Title |
|---|---|---|
| Lumberjack the Monster | 2023 | Writer |
| Rurouni Kenshin: Final Chapter Part II - The Beginning | 2021 | Producer |
| Brave Story | 2006 | Producer |