Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.2 | レッスン | 4:43 | LAREINE | ETUDE | LAREINE | EP |
| Applause Records (Japanese label) | ARLC-006 |
| 1.4 | レッスン | 4:43 | LAREINE | ETUDE 〜Platinum White〜 | LAREINE | EP |
| Applause Records (Japanese label) | ARCL-018 |
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