Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.2 | Purity | 7:40 | 黒沢律子 | Purity | 黒沢律子 | Album |
| Continental (Japan; imprint of Teichiku Entertainment, Inc.) | TECN-28095 |
| 1.4 | Purity | 7:43 | 黒沢律子 | RITZ | 黒沢律子 | Album + Compilation |
| Continental (Japan; imprint of Teichiku Entertainment, Inc.) | TECN-30122 |
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