Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | Butterfly | Park Yuchun | 3:11 |
| 2 | Free Tonight | Park Yuchun | 3:37 |
| 3 | ZONE | Park Yuchun | 2:57 |
| 4 | 153cm | Park Yuchun | 3:02 |
| 5 | ためらい | Park Yuchun | 5:21 |
| 6 | Butterfly -Instrumental- | Park Yuchun | 3:11 |
| 7 | ZONE -Instrumental- | Park Yuchun | 3:37 |
| 8 | 153cm -Instrumental- | Park Yuchun | 2:57 |
| 9 | Free Tonight -Instrumental- | Park Yuchun | 3:02 |
| 10 | ためらい -Instrumental- | Park Yuchun | 5:21 |
Member reviews
Source: MusicBrainz release group c2f423e4-81c2-4a22-b4aa-516eedc92420 (CC0). Cover: Cover Art Archive.