| Artist name | Roles | Recordings |
|---|---|---|
| 上條直之 | mix, recording | X-Plan, X-Plan (Long Version) |
| 工藤嶺 | bass | X-Plan, X-Plan (Long Version) |
| Artist name | Roles | Recordings |
|---|---|---|
| 上條直之 | mix, recording | X-Plan, X-Plan (Long Version) |
| 工藤嶺 | bass | X-Plan, X-Plan (Long Version) |
| Artist name | Roles | Recordings |
|---|---|---|
| 上條直之 | mix, recording | X-Plan, X-Plan (Long Version) |
| 工藤嶺 | bass | X-Plan, X-Plan (Long Version) |