Tegami Original Soundtrack
| Published by | GATE RECORDS |
| Catalog number | GAGJ-0021 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 22 tracks |
| Release date | November 11, 2006 |
| Genres |
Music by Naoki Sato
| 1 | 手紙 only one person who is involved in the heart | ||
| 2 | モノクロームの記憶 | ||
| 3 | 兄弟の思い出 | ||
| 4 | 恋心 | ||
| 5 | 手編みの手袋 | ||
| 6 | 発覚 | ||
| 7 | 和解 | ||
| 8 | 旅立ち | ||
| 9 | ブレスレット | ||
| 10 | 転落 | ||
| 11 | 夏の記憶 | ||
| 12 | 茫然自失 | ||
| 13 | 過酷な現実 | ||
| 14 | 人事異動 | ||
| 15 | ここから この場所から | ||
| 16 | もう一人の差出人 | ||
| 17 | 告白 | ||
| 18 | 最後の手紙 | ||
| 19 | 決心 | ||
| 20 | 手紙 eternal ties | ||
| 21 | 言葉にできない | ||
| 22 | コ・モ・レ・ビ |
