Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | ラッキーデイズ！ | Baby Rock | 4:05 |
| 2 | round round round | Baby Rock | 3:43 |
| 3 | ラッキーデイズ！ (カラオケバージョン) | Baby Rock | 4:05 |
| 4 | round round round (カラオケバージョン) | Baby Rock | 3:41 |
Source: MusicBrainz release group 0495f55f-f851-4a38-a4f7-8868c9807b2c (CC0). Cover: Cover Art Archive.