Petit Four Original Soundtrack
| Composed by | Kenji Kaneko |
| Published by | Team Entertainment |
| Catalog number | KDDL-00045 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 Digital - 13 tracks |
| Release date | December 19, 2018 |
| Duration | 00:25:25 |
| Genres |
| 1 | プティフールのテーマ | 01:36 | |
| 2 | 瑪瑙色の景色 | 02:15 | |
| 3 | 夏の予感 | 01:37 | |
| 4 | 木陰から | 01:55 | |
| 5 | 安らぎの瞬間 | 02:34 | |
| 6 | 今日も快晴! | 01:21 | |
| 7 | 昼下がりのカプチーノ | 01:33 | |
| 8 | うぬぼれ屋さん | 01:31 | |
| 9 | 影 | 01:37 | |
| 10 | 曇りの日 | 02:28 | |
| 11 | セピア色の想いで | 02:05 | |
| 12 | これからも,ずっと,,, | 02:10 | |
| 13 | この町を振り返る頃〜ver.pano〜 | 02:43 |
