Original Sound Track Piano Volume 1
AlbumTracklist 43:36
| 1 | ぴあの | 3:59 | |
| 2 | Ripply Mind～さざめく心 | 2:59 | |
| 3 | Run to Me | 1:20 | |
| 4 | Gleam～輝く瞬間 | 2:33 | |
| 5 | The Bonds of Love～愛情の絆 | 3:21 | |
| 6 | Fortepiano～心の機微 | 2:47 | |
| 7 | Suspicious | 2:24 | |
| 8 | ぴあの～かけがえのない妹 | 2:26 | |
| 9 | From Pianissimo～小さな決心 | 2:53 | |
| 10 | Path to the Lights～希望への道 | 2:06 | |
| 11 | White Lie～罪のない嘘 | 2:49 | |
| 12 | Closed Fist～閉じられた手 | 2:19 | |
| 13 | Twitter～姉妹の喜び | 3:41 | |
| 14 | Forenoon～夜明け | 2:19 | |
| 15 | Behind Backs～ひそかな裏切り | 1:25 | |
| 16 | Instrumental～ぴあの | 4:05 |