Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.5 | 忘れないで | 4:12 | つじあやの | はじまりの時 | つじあやの | Album |
| SPEEDSTAR (Japanese label) | VICL-62076 |
| 2.14 | 忘れないで | 4:17 | つじあやの | つじギフト 〜10th Anniversary BEST〜 | つじあやの | Album + Compilation |
| SPEEDSTAR (Japanese label) | VICL-63391, VICL-63392 |
| 1.27 | 忘れないで | 4:10 | つじあやの | つじギフト～10th Anniversary BEST～(Special Edition) | つじあやの | Album + Compilation |
| SPEEDSTAR (Japanese label) | |
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