Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | X | Yuta Imai | |
| 2 | UNKNOWN LEVELS (Extended Mix) | Yuta Imai | |
| 3 | X (DJ EDIT) | Yuta Imai | |
| 4 | UNKNOWN LEVELS (Extended DJ EDIT) | Yuta Imai |
Member reviews
Source: MusicBrainz release group 1556e7ef-18e9-4bbd-8f0d-10d27249b8ce (CC0). Cover: Cover Art Archive.