Each unique track is placed at its first release year.
EP LP CDS CD
1996
| Track | Label | Media | Year | |
|---|---|---|---|---|
| Kenichi Oka — Kotoba | POF Records | CD | 1996 | |
| Kenichi Oka — Kotoba | POF Records | LP | 1996 |
| Track | Label | Media | Year | |
|---|---|---|---|---|
| Kenichi Oka — Kotoba | POF Records | CD | 1996 | |
| Kenichi Oka — Kotoba | POF Records | LP | 1996 |