BGM: Shigenobu Okawa
Theme Song "スロースターター"
Lyrics/Vocal: Emi Uema
Composer/Arranger: xaki
Album was composed by Shigenobu Okawa / Xaki and was released on January 26, 2018. Soundtrack consists of 28 tracks tracks with duration over more than hour. Album was released by GIGA.
CD 1
| 1 | スロースターター | 05:23 | |
| 2 | couverture | 02:09 | |
| 3 | jardin | 03:16 | |
| 4 | soleil | 01:50 | |
| 5 | on y val | 02:13 | |
| 6 | siffement | 03:09 | |
| 7 | somnolence | 01:58 | |
| 8 | insomnie | 03:12 | |
| 9 | anthocyan | 02:07 | |
| 10 | goro-goro | 03:04 | |
| 11 | poka-poka | 02:11 | |
| 12 | coucoul | 03:11 | |
| 13 | peindre | 02:03 | |
| 14 | bonne humeur | 01:48 | |
| 15 | tranquille | 01:56 | |
| 16 | grasse matinée | 02:24 | |
| 17 | nuit blanche | 02:12 | |
| 18 | rêverie | 02:27 | |
| 19 | terrarium | 02:12 | |
| 20 | pétale | 03:17 | |
| 21 | miel | 01:51 | |
| 22 | スロースターター (piano arrange) | 01:56 | |
| 23 | feather song (orgel arrange) | 03:16 | |
| 24 | Yoake's theme | 02:11 | |
| 25 | Tsubame's theme | 01:50 | |
| 26 | Aika's theme | 02:01 | |
| 27 | Toka's theme | 01:57 | |
| 28 | feather song | 05:08 | |
