Oni no Inu Ma no, Ayashii Dekigoto. Ni Shukujotachi no Himitsu Kaidanhen
| Composed by | Kenji Arai |
| Arranged by | Kenji Arai |
| Published by | 130cm |
| Catalog number | VA-00073D |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 CD - 3 tracks |
| Release date | January 29, 2010 |
| Duration | 00:52:04 |
| Genres |
M01 - Opening Theme
Lyrics: Rita
Composition: Kenji Arai
Arrangement: Kenji Arai
Vocals: Himeka (Rita), Koharu Mimasaka (Asari☆), Ayako Miyabe (Ryoko Tezuka)
M02 - Drama
M03
Lyrics: Rita
Composition: Kenji Arai
Arrangement: Kenji Arai
Vocals: Koharu Mimasaka (Asari☆)
Lyrics: Rita
Composition: Kenji Arai
Arrangement: Kenji Arai
Vocals: Himeka (Rita), Koharu Mimasaka (Asari☆), Ayako Miyabe (Ryoko Tezuka)
M02 - Drama
M03
Lyrics: Rita
Composition: Kenji Arai
Arrangement: Kenji Arai
Vocals: Koharu Mimasaka (Asari☆)
| 1 | オープニング主題歌「ハジマリノトキ」 | 02:20 | |
| 2 | ミニドラマ | 47:03 | |
| 3 | イトシウタ～小春音痴Ver.～ | 02:41 |
