A un Original Soundtrack
| Published by | Pony Canyon |
| Catalog number | PCCA-00014 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 17 tracks |
| Release date | November 21, 1989 |
| Genres |
MUSIC : Tomoyuki Asakawa
| 1 | 序 | ||
| 2 | あ・うん ～春爛漫～ | ||
| 3 | 心は躍る | ||
| 4 | 四人家族 | ||
| 5 | ときめき | ||
| 6 | 訪問 | ||
| 7 | 夜露の帰り道 | ||
| 8 | 枇杷と詩集 | ||
| 9 | 夏空 | ||
| 10 | 満天の星 | ||
| 11 | おかしな三人 | ||
| 12 | 初秋の出来事 | ||
| 13 | 絶交 | ||
| 14 | 巷に雨の降るごとく… | ||
| 15 | しあわせの状態 | ||
| 16 | 一夜の青春 | ||
| 17 | あ・うん ～初雪～ |
