| Artist name | Roles | Recordings |
|---|---|---|
| HΛL (Japanese group) | arranger | Days〜それぞれの季節で〜, reason |
| 矢吹俊郎 | producer, programming, recording, guitar | 恋のカタチ, 恋のカタチ (instrumental) |
| Artist name | Roles | Recordings |
|---|---|---|
| HΛL (Japanese group) | arranger | Days〜それぞれの季節で〜, reason |
| 矢吹俊郎 | producer, programming, recording, guitar | 恋のカタチ, 恋のカタチ (instrumental) |
| Artist name | Roles | Recordings |
|---|---|---|
| HΛL (Japanese group) | arranger | Days〜それぞれの季節で〜, reason |
| 矢吹俊郎 | producer, programming, recording, guitar | 恋のカタチ, 恋のカタチ (instrumental) |