Includes 18 BGM tracks, opening theme sung by Duca, and ending theme sung by Yui Sakakibara.
OP "Ray"
Vocal and lyrics: Duca
Composer: ANZIE
ED "Lovin' You"
Vocal: Yui Sakakibara
Lyrics: Rin Akimoto [秋元凛]
Composer: Rodriguez Nobu
BGM by Million Bamboo
Bonus for buying Otome ga Musubu Tsukiyo no Kirameki (WILL-389-S-M/WILL-389-S-TM) from WillPlus.
Album was composed by and was released on November 30, 2018. Soundtrack consists of 20 tracks tracks with duration over about 45 minutes. Album was released by WillPlus.
CD 1
| 1 | 月の庭 | 02:01 | |
| 2 | 木漏れ日の下で | 01:59 | |
| 3 | いつものお嬢様 | 02:00 | |
| 4 | 満月は静謐で | 02:08 | |
| 5 | 明けの明星 | 02:06 | |
| 6 | change×change | 02:00 | |
| 7 | 三日月は暖かく | 02:13 | |
| 8 | Shopping days | 02:00 | |
| 9 | Blind eye | 02:09 | |
| 10 | Believe | 01:53 | |
| 11 | Party night | 02:03 | |
| 12 | 沈みゆく想い | 01:48 | |
| 13 | 君と交わる時 | 01:57 | |
| 14 | いつだって傍に | 01:50 | |
| 15 | 星の見えない夜 | 02:00 | |
| 16 | 寵愛のアフロディーテ | 02:00 | |
| 17 | 明月は輝く | 02:07 | |
| 18 | Fullmoon story | 02:14 | |
| 19 | Ray | 04:20 | |
| 20 | Lovin' You | 04:39 | |
