Darling Original Soundtrack Collection
| Composed by | Kosari Jou |
| Published by | NEST |
| Catalog number | NE-0004 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 17 tracks |
| Release date | December 2001 |
| Genres |
| 1 | 一億分の1センチ |  | |
| 2 | Trust | | |
| 3 | in my room | | |
| 4 | lovely | | |
| 5 | Penury | | |
| 6 | Blue Moon | | |
| 7 | One More Time | | |
| 8 | Sweet Pain | | |
| 9 | Ripple | | |
| 10 | Glass Hear | | |
| 11 | Good Night Honey | | |
| 12 | Truth | | |
| 13 | With You | | |
| 14 | All Night | | |
| 15 | 君がいる | | |
| 16 | 一億分の1センチ －karaoke ver,－ | | |
| 17 | 君がいる －karaoke ver,－ | |
