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Disc1
| 1 | Niji no Sora | FLOW | 4:07 |
| 2 | Hikari Oikakete | FLOW | 4:00 |
| 3 | connection | FLOW | 2:09 |
| 4 | Hikari Oikakete | FLOW feat. Koudai Matsuoka | 3:14 |
| 5 | Niji no Sora -Instrumental- | FLOW | 4:06 |
| 1 | Niji no Sora | FLOW | 4:07 |
| 2 | Hikari Oikakete | FLOW | 4:00 |
| 3 | connection | FLOW | 2:09 |
| 4 | Hikari Oikakete | FLOW feat. Koudai Matsuoka | 3:14 |
| 5 | Niji no Sora -Instrumental- | FLOW | 4:06 |