Monochrome Original BGM Collection
| Composed by | Takeshi Abo |
| Published by | KID |
| Catalog number | kid 0047 |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 CD - 10 tracks |
| Release date | August 26, 2004 |
| Duration | 00:26:30 |
| Genres |
Comes with the limited edition of the game, embedded in the back of the illustration booklet.
| 1 | 創世 -Monochrome- | 03:38 | |
| 2 | 久遠の光 -Permanence- | 02:01 | |
| 3 | 遊羽 -Angel- | 02:37 | |
| 4 | 雛水 -Apostle- | 02:25 | |
| 5 | 千歳 -Cupid- | 02:36 | |
| 6 | 梨紗 -Reincarnation- | 02:25 | |
| 7 | 花織 -Freesia- | 02:33 | |
| 8 | 紗耶香 -Rosary- | 02:35 | |
| 9 | 時の廻廊 -Corridor- | 03:11 | |
| 10 | 還るもの・継ぐもの -To determination- | 02:29 |
