Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | Introduction〜Relation | Tatsh | 0:50 |
| 2 | スカイブルーの瞳 | Tatsh feat. 狛茉璃奈 | 3:56 |
| 3 | グレイ、再び | Tatsh | 2:34 |
| 4 | 暴走〜out of control | Tatsh | 3:49 |
| 5 | 灰の花 | Tatsh feat. nayuta | 5:04 |
| 6 | Protection | Tatsh feat. みぃ(GET IN THE RING) | 4:21 |
| 7 | 自由への絆 | Tatsh feat. 星野奏子 | 4:47 |
| 8 | Crystal love | Tatsh feat. 88.nia | 4:51 |
| 9 | BLUE ZONE -Long ver- | Tatsh x NAOKI | 4:12 |
| 10 | Bye for now | Tatsh | 4:06 |
| 11 | スカイブルーの瞳 -InstMix- | Tatsh | 3:56 |
| 12 | 灰の花 -InstMix- | Tatsh | 5:04 |
| 13 | Protection -InstMix- | Tatsh | 4:21 |
| 14 | 自由への絆 -InstMix- | Tatsh | 4:47 |
| 15 | Crystal love -InstMix- | Tatsh | 4:52 |
Member reviews
Source: MusicBrainz release group a758e006-0e17-4d8d-9b7e-6874c7a2d3d2 (CC0). Cover: Cover Art Archive.