Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | Rainbow Highway | 鈴代黎音(cv. 田中理恵) | 4:27 |
| 2 | Rein- I -Like winds- | 鈴代黎音(cv. 田中理恵) | 3:21 |
| 3 | Rein- I -Like winds- (Music box Ver.) | 鈴代黎音(cv. 田中理恵) | 4:14 |
| 4 | Rainbow Highway (Off Vocal) | 鈴代黎音(cv. 田中理恵) | 4:24 |
Source: MusicBrainz release group ffba3536-c6fd-48ae-bdab-08cc7fdb28ac (CC0). Cover: Cover Art Archive.