Otto no Kanojo Original Soundtrack
| Composed by | Kousuke Yamashita |
| Arranged by | Kousuke Yamashita |
| Published by | Anchor Records |
| Catalog number | UZCL-2047 |
| Release type | Game Soundtrack - Official Release |
| Format | 1 CD - 19 tracks |
| Release date | December 02, 2013 |
| Duration | 00:46:24 |
| Genres |
| 1 | 夫のカノジョ～メインテーマ | 05:07 | |
| 2 | 物語の始まり | 02:23 | |
| 3 | Let's 妄想 | 01:43 | |
| 4 | 怪しい二人 | 02:36 | |
| 5 | モーニングブレイク | 02:50 | |
| 6 | 家族のひととき | 02:29 | |
| 7 | カノジョ!? | 01:28 | |
| 8 | 秘密 | 02:32 | |
| 9 | Pure♪Love | 02:06 | |
| 10 | 気がかりなコト | 01:43 | |
| 11 | Skirmish | 01:04 | |
| 12 | 琥珀色の想い | 02:22 | |
| 13 | 家族のために | 03:20 | |
| 14 | カ・ン・チ・ガ・イ | 01:09 | |
| 15 | 麦畑 | 02:30 | |
| 16 | 小さな幸せ | 02:56 | |
| 17 | 心の成長 | 03:48 | |
| 18 | 物語の終わり | 02:27 | |
| 19 | 夫のカノジョ～メインテーマピアノソロ | 01:51 |
