Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | LOVE A RIDDLE | KOTOKO | 6:35 |
| 2 | 〜花〜 | KOTOKO | 0:23 |
| 3 | Back Image Music | KOTOKO | 2:12 |
| 4 | 〜星〜 | KOTOKO | 0:22 |
| 5 | I can’t get over your best smile | KOTOKO | 7:14 |
| 6 | 〜輝〜 | KOTOKO | 0:40 |
| 7 | Back Image Music (Maxi ver.) | KOTOKO | 4:22 |
| 8 | 〜多分〜 | KOTOKO | 0:16 |
| 9 | Love a Riddle (offvocal ver.) | KOTOKO | 6:35 |
| 10 | 〜加速〜 | KOTOKO | 0:17 |
| 11 | I can’t get over your best smile (offvocal ver.) | KOTOKO | 7:12 |
Source: MusicBrainz release group cf53503a-78d6-3f75-9360-7d283b230918 (CC0). Cover: Cover Art Archive.