Imouto de Ikou! Plenty of Pretty Sisters Original Soundtrack妹でいこう! オリジナルサウンドトラックImouto de Ikou! Plenty of Pretty Sisters Original Soundtrack

Disc 1

1. 1 - But I'm His Younger Sister! (OP Theme : full size version)妹なんだもん！（OPテーマ：full size version） (4:17)
2. 2 - TitleTitle (2:12)
3. 3 - Our morningOur morning (1:42)
4. 4 - School friendsSchool friends (1:40)
5. 5 - Dota-Bata ComedyDota－Bata Comedy (1:39)
6. 6 - My Happy Face Won't Stop (Hoshinatsu : Vocal version)Happy faceはとまらない（麻由夏：Vocal version） (3:28)
7. 7 - Akiho秋帆 (1:58)
8. 8 - Summer Star星夏 (1:55)
9. 9 - Hoshinatsu麻由夏 (1:51)
10. 10 - Mayuka冬乃 (1:50)
11. 11 - Fuyuno春留 (1:48)
12. 12 - Miori美織 (1:50)
13. 13 - Symphony of Wishes (Mayuka : Vocal version)Symphony of Wishes（冬乃：Vocal version） (4:24)
14. 14 - at homeat home (1:49)
15. 15 - my room, my thinkingmy room，my thinking (1:50)
16. 16 - becoming anxious不安になって (2:05)
17. 17 - Crisis!Crisis！ (2:07)
18. 18 - Kazukiかづき (1:48)
19. 19 - Space fantasySpace fantasy (1:52)
20. 20 - go to the hospitalgo to the hospital (1:55)
21. 21 - A Sweet, Distant Voice (Love each other : Vocal version)甘く遠い声（Love each other：Vocal version） (4:10)
22. 22 - become sentimentalbecome sentimental (2:17)
23. 23 - Confession告白 (1:53)
24. 24 - Love each otherLove each other (2:08)
25. 25 - Catching You With a Quiet Smile (Confession : Vocal version)静かな笑顔でうけとめて（告白：Vocal version） (4:41)
26. 26 - Is it good that we're more than lovers? (ED Theme:full size version)恋より近くていいのかな（EDテーマ：full size version） (3:49)