Tracks
| # | Title | Sung by | |
|---|---|---|---|
| 1 | ハピネス | Our Love to Stay | 3:47 |
| 2 | interlude 1 | Our Love to Stay | 0:14 |
| 3 | The Christmas Song | Our Love to Stay | 3:49 |
| 4 | Starry night | Our Love to Stay | 3:42 |
| 5 | 愛の種 | Our Love to Stay | 3:56 |
| 6 | interlude 2 | Our Love to Stay | 1:11 |
| 7 | おやすみ | Our Love to Stay | 5:57 |
| 8 | ハピネス～instrumental remix～ | Our Love to Stay | 2:26 |
Source: MusicBrainz release group b2c49a33-134d-3a4f-a6b6-71fa0f3b894c (CC0). Cover: Cover Art Archive.