Aiyoku no Eustia Aiyoku Koboshi Music Collection
| Composed by | Active Planets |
| Arranged by | Ryota Fujii / sumiisan / Thomas Bianco |
| Published by | August |
| Catalog number | AUG-8013 |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 CD - 6 tracks |
| Release date | April 28, 2011 |
| Duration | 00:21:39 |
| Genres |
| 1 | Theme | 03:31 |  |
| 2 | Onyx -Stairs- | 03:08 | |
| 3 | Prison -Blind Alley- | 04:10 | |
| 4 | City by Night -Roots- | 03:55 | |
| 5 | Emerald -La Rosa- | 02:55 | |
| 6 | Love -Cross- | 04:00 | |
