Original score composed and arranged by Akira Senju, 2006
Album was composed by and was released on September 21, 2006. Soundtrack consists of 31 tracks tracks with duration over . Album was released by amelos, VICTOR ENTERTAINMENT, INC..
CD 1
| 1 | 青い空の下でI | | |
| 2 | 出逢いの記憶 | | |
| 3 | 青い空の下でII | | |
| 4 | 約束 <main title> | | |
| 5 | 嵐の記憶～ヨウタとカオルI | | |
| 6 | なんくるないさI | | |
| 7 | なんくるないさII | | |
| 8 | 約束 <piano solo> | | |
| 9 | 青い空の下でIII | | |
| 10 | 恵子の想いI | | |
| 11 | 夏の空の下で | | |
| 12 | 届かない願いI | | |
| 13 | からまわり | | |
| 14 | 届かない願いII | | |
| 15 | 悲しみの栞 | | |
| 16 | 届かない願いIII | | |
| 17 | ヨウタとカオルII | | |
| 18 | 恵子の想いII | | |
| 19 | ヨウタとカオル | | |
| 20 | 祭りの夜 | | |
| 21 | 晴れた空の下で | | |
| 22 | 不穏な噂 | | |
| 23 | ヨウタとカオルIII | | |
| 24 | 約束 <departure> | | |
| 25 | 同じ空の下で | | |
| 26 | 嵐の夜に | | |
| 27 | ヨウタとカオルIV | | |
| 28 | 救急治療室 | | |
| 29 | 悲しみのボート | | |
| 30 | 約束 <reprise> | | |
| 31 | 涙そうそう／夏川りみ | | |
