| Artist name | Roles | Recordings |
|---|---|---|
| ANANT-GARDE EYES | arranger | Brave Song, Brave Song (Instrumental), Brave Song (TV Size) |
| 光収容 | guitar | Brave Song, Brave Song (Instrumental), Brave Song (TV Size) |
| Artist name | Roles | Recordings |
|---|---|---|
| シートベルツ | vocal | 3.14, Sasurai no Cowboy (Cowboy Bebop Theme), WO QUI NON COIN, WO QUI NON COIN (しょんぼりショート version) |
| Vitel Noesis | vocal | True End |