Chrono Clock Original Soundtrack
| Composed by | Satoshi Hono / Toshihiro Tanaka |
| Arranged by | Satoshi Hono / Toshihiro Tanaka |
| Published by | Purple Software |
| Catalog number | PURPLE-051OST |
| Release type | Game Soundtrack - Promo / Enclosure |
| Format | 1 CD - 29 tracks |
| Release date | April 24, 2015 |
| Duration | 01:11:00 |
| Genres |
OP "5分前の恋心"
Vocal: Miyuki Hashimoto
Lyrics: 石川泰
Compose/Arrange: Toshihiro Tanaka
ED "二人のクロニクル"
Vocal: Rio Asaba
Lyrics: 石川泰
Compose/Arrange: Satoshi Hono
| 1 | 5分前の恋心 | 04:44 |  |
| 2 | 義理+人情≠恋心 | 02:08 | |
| 3 | Like a cloud | 02:33 | |
| 4 | Blind mind | 01:56 | |
| 5 | maid in U.K | 02:14 | |
| 6 | 彼女の選択肢 | 02:35 | |
| 7 | Once Upon a Time | 01:58 | |
| 8 | 時計の精霊 | 01:21 | |
| 9 | Morning of beginning | 02:45 | |
| 10 | Repetition of every day | 02:03 | |
| 11 | 二人の夕暮れ | 02:48 | |
| 12 | 一人の暮夜 | 02:06 | |
| 13 | いつもの時間 | 01:59 | |
| 14 | 暫しの休息 | 02:40 | |
| 15 | 君がいるから | 02:03 | |
| 16 | 君がいたから | 02:09 | |
| 17 | 運命の螺旋 | 02:00 | |
| 18 | 罪と優しさ | 02:11 | |
| 19 | 嵐の前 | 02:10 | |
| 20 | 千の想い一つの願い | 02:00 | |
| 21 | contemplate | 02:06 | |
| 22 | reminiscence | 02:09 | |
| 23 | Unforgettable past | 02:30 | |
| 24 | 戻さなくてもいい刻 | 01:56 | |
| 25 | 愛しさを越えて | 02:42 | |
| 26 | 刻を往く | 02:21 | |
| 27 | 誰がための想い | 03:30 | |
| 28 | いつでも一緒に | 02:50 | |
| 29 | 二人のクロニクル | 04:33 | |
