| Artist name | Roles | Recordings |
|---|---|---|
| Hiromi Kikuoka | ||
| 枢軸 (ヘタリア Axis Powers) |
| Artist name | Roles | Recordings |
|---|---|---|
| Hiromi Kikuoka | ||
| 枢軸 (ヘタリア Axis Powers) |
| Artist name | Roles | Recordings |
|---|---|---|
| Hiromi Kikuoka | programming | Meu Espaço |
| 枢軸 | arranger | サンタが町にやってくる (Santa Claus Is Coming to Town) |