Sound Production: solfa
1. Theme Song "夏色ラムネ"
Lyrics: Urara Amagasaki
Music: iyuna
Vocal: solfa feat. Haruka Shimotsuki
15. Normal Ending Song "remember"
Lyrics: Urara Amagasaki
Music: Tooru Hashizaki
Vocal: solfa feat. Meu Koharu
16. 坂下弥生 Ending Song "summerly I wish"
Lyrics: Urara Amagasaki
Music: Tooru Hashizaki
Vocal: solfa feat. Chata
17. 小嶋美咲 Ending Song "close to your heart"
Lyrics: Urara Amagasaki
Music: Yukihiro Ibuki
Vocal: solfa feat.nao
18. 山崎佳奈子 Ending Song "今なら言えるから"
Lyrics: Urara Amagasaki
Music: hash
Vocal: solfa feat.Rin
19. 本庄優希 Ending Song "ふたりのあしあと"
Lyrics: Urara Amagasaki
Music: hash
Vocal: solfa feat.hasumi
Album was composed by hash / iyuna / solfa / Tooru Hashizaki / Yukihiro Ibuki and was released on March 30, 2018. Soundtrack consists of 19 tracks tracks with duration over . Album was released by luminouscore.
CD 1
| 1 | 夏色ラムネ | | |
| 2 | ソーダ水 | | |
| 3 | 長い坂のフレーズ | | |
| 4 | moonly | | |
| 5 | 青空マイゴーイング | | |
| 6 | ラムネ色の景色 | | |
| 7 | let’s go after school | | |
| 8 | 明日に向かって走れ | | |
| 9 | 眠れない夜 | | |
| 10 | ナゾメク | | |
| 11 | 夏色 your heart | | |
| 12 | 君のてのひら | | |
| 13 | sweet flavor | | |
| 14 | アイキャッチ | | |
| 15 | remember | | |
| 16 | summerly I wish | | |
| 17 | close to your heart | | |
| 18 | 今なら言えるから | | |
| 19 | ふたりのあしあと | | |
