| # | Title | Artist | |
|---|---|---|---|
| 01 | Natsukashii umi 懐かしい宇宙（うみ） |
Akino Arai
|
|
| 02 | Nijiiro no wakusei 虹色の惑星 |
Akino Arai
|
|
| 03 | Airplane |
Akino Arai
|
|
| 04 | Natsukashii umi (without akino) 懐かしい宇宙 (without akino) |
Akino Arai
|
