Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.3 | ノスタルジア | 3:08 | 川井憲次 | BLUE SEED音楽編VOL.2 | 川井憲次 | Album + Soundtrack |
| STARCHILD (imprint of Japanese company King Record Co., Ltd.) | KICA-230 |
| Pseudo-Release | |||||||||
| 1.3 | ノスタルジア [Nostalgia] | 3:08 | 川井憲次 | Blue Seed Music Collection, Volume 2 | 川井憲次 | Album + Soundtrack | |||
| 1.3 | Nostalgia | 3:08 | 川井憲次 | BLUE SEED Ongakuhen VOL.2 | 川井憲次 | Album + Soundtrack | |||
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