Natural Another One SOUNDTRACK
| Composed by | George Ohara / Kazuhiko Kishimoto / Mari Yamaguchi |
| Arranged by | George Ohara |
| Published by | F&C FC03 |
| Catalog number | F&C-227 |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 CD - 21 tracks |
| Release date | September 26, 2003 |
| Duration | 00:55:38 |
| Genres |
Tracks 1~11 composed and arranged by George Ohara
Lyrics and vocals by Yuri Kanna (1, 10)
Tracks 12~21 are from "Natural ~Mi mo Kokoro mo~", composed by Mari Yamaguchi and Kazuhiko Kishimoto
| 1 | Fantastic Kiss（ショートバージョン） | 01:34 |  |
| 2 | はじまり | 01:48 | |
| 3 | 想いの形 | 02:00 | |
| 4 | 小さな花 | 02:03 | |
| 5 | 春うらら | 01:44 | |
| 6 | 暗い視線 | 02:05 | |
| 7 | 快楽の淵 | 03:01 | |
| 8 | Fantastic Kiss（オルゴールバージョン） | 01:30 | |
| 9 | 夜の中へ | 02:43 | |
| 10 | Fantastic Kiss（フルバージョン） | 03:27 | |
| 11 | Fantastic Kiss（カラオケバージョン） | 03:27 | |
| 12 | 想い……星降る夜に | 06:14 | |
| 13 | 暖かな日ざしの中で | 02:18 | |
| 14 | 小春日和 | 02:34 | |
| 15 | 凍てつく心 | 02:24 | |
| 16 | 身も… | 01:50 | |
| 17 | 心も… | 02:37 | |
| 18 | つぼみの頃に… | 02:02 | |
| 19 | 昔、夢見たように | 02:24 | |
| 20 | 春の日の終わりに | 04:03 | |
| 21 | 花咲く季節の中で | 03:50 |
