Isan Sozoku Original Soundtrack
| Composed by | Kan Sawada |
| Arranged by | Kan Sawada |
| Published by | Nippon Columbia |
| Catalog number | COCP-39373 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 25 tracks |
| Release date | December 23, 2015 |
| Duration | 01:02:44 |
| Genres |
| 1 | 遺産争族～メイン・テーマ | 04:39 | |
| 2 | 育生の新生活 | 02:10 | |
| 3 | 木漏れ日 | 02:19 | |
| 4 | ムコになります！ | 01:45 | |
| 5 | Risky Game | 02:08 | |
| 6 | 弁護士 金沢利子 | 02:12 | |
| 7 | 招かれざる客 | 01:42 | |
| 8 | 三姉妹 | 01:35 | |
| 9 | 死神のテーマ | 02:36 | |
| 10 | 奇妙な相続人 | 01:46 | |
| 11 | The Corner Spot | 02:03 | |
| 12 | 壊れゆく家族 | 02:11 | |
| 13 | 食卓 | 01:53 | |
| 14 | 迷宮の扉 | 03:06 | |
| 15 | フラッシュバック | 02:28 | |
| 16 | 女でひとり | 03:40 | |
| 17 | 夫婦の絆 | 02:47 | |
| 18 | 愛のテーマ | 04:09 | |
| 19 | 嘘 | 01:44 | |
| 20 | Good Night | 01:37 | |
| 21 | A Family Affair | 03:39 | |
| 22 | 抗争勃発 | 02:12 | |
| 23 | 祝福 | 02:32 | |
| 24 | 終わりなき戦い | 02:12 | |
| 25 | 遺産争族～メイン・テーマ (Ref.) | 03:39 |
