妹でいこう！パーフェクトアレンジアルバム
AlbumTracklist 49:22
| 1 | Happy Faceはとまらない | 4:33 | |
| 2 | 妹なんだもん! (instrumental) | 4:35 | |
| 3 | at home | 3:21 | |
| 4 | Our morning | 3:32 | |
| 5 | my room, my thinking | 3:34 | |
| 6 | かづき | 4:35 | |
| 7 | School friends | 4:40 | |
| 8 | love each other | 4:01 | |
| 9 | become sentimental | 4:33 | |
| 10 | 星夏 | 3:21 | |
| 11 | 告白 | 3:46 | |
| 12 | Symphony of Wishes | 4:51 |