Arco-Iris
| Composed by | Mitsuki Nakae |
| Published by | ABSOLUTE CASTAWAY |
| Release type | Film Score - Official Release |
| Format | 1 Digital - 7 tracks |
| Release date | December 31, 2007 |
| Duration | 00:32:28 |
| Genres |
| 1 | Arco-IrisMitsuki Nakae | 02:56 |  |
| 2 | EpitaphMitsuki Nakae | 04:20 | |
| 3 | Hope of rainbowMitsuki Nakae | 05:46 | |
| 4 | The starry nightMitsuki Nakae | 04:19 | |
| 5 | Last chapter.Mitsuki Nakae | 05:00 | |
| 6 | Sanngetall-Message for My Children-Mitsuki Nakae | 05:23 | |
| 7 | Blue sky and the RainbowMitsuki Nakae | 04:44 | |
