Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 2.3 | SAVE YOUR HEART | 5:21 | KOTOKO to AKI | I've 20th Anniversary E-VOX | I’ve | Album + Compilation |
| IVE | ICD-66087 |
| 2.3 | SAVE YOUR HEART | 5:21 | KOTOKO to AKI | I've 20th Anniversary E-VOX (corrected reprint) | I’ve | Album + Compilation |
| IVE | ICD-66125 |
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