Contains soundtrack (192kbps (OP)/256kbps (BGM)) with video "Kaguya's channel special edition "Welcome to Sofmap"".
BGM: Arte Refact
M01 - Theme Song
Vocal: Yui Sakakibara
Lyrics: 菅原春名
Composition/Arrangement: Tsukasa Yatoki (Arte Refact)
Bonus for preordering Girls Book Maker (JAN: 4995669931504) from Sofmap.
Album was composed by Arte Refact / Tsukasa Yatoki and was released on May 31, 2019. Soundtrack consists of 10 tracks tracks with duration over about 20 minutes. Album was released by YUMEMIRU.
CD 1
| 1 | ワンダー・リブレット_short | 01:42 | |
| 2 | 図書館と制服～daytime～ | 02:06 | |
| 3 | 泡雪を照らす灯火 | 01:56 | |
| 4 | ワンダーランド・セレナーデ | 01:20 | |
| 5 | 怪盗紳士の名のもとに | 01:57 | |
| 6 | 摩訶不思議アバンチュール | 02:23 | |
| 7 | 百二十年の微睡み | 02:23 | |
| 8 | 輝け！ ユメチューバー | 01:54 | |
| 9 | 怠惰の天才、紙一重のさらに向こう側に | 01:54 | |
| 10 | わたしたちを待っている世界へ | 01:38 | |
