Collaborations between Reki Kawahara and Keisuke Hirai
| Film Title | Year | Reki Kawahara | Keisuke Hirai |
|---|---|---|---|
| Sword Art Online: Progressive - Aria of a Starless Night | 2021 | Writer | Producer |
| Film Title | Year | Reki Kawahara | Keisuke Hirai |
|---|---|---|---|
| Sword Art Online: Progressive - Aria of a Starless Night | 2021 | Writer | Producer |