M-01 - Opening Theme
M-02 - Ending Theme
Performer: lasah
Composer: bermei.inazawa
Arranger: bermei.inazawa
Lyricist: lasah
Album was composed by bermei.inazawa and was released on July 25, 2018. Soundtrack consists of 23 tracks tracks with duration over . Album was released by b-sound.
CD 1
| 1 | Surveillance (Opening Theme) | | |
| 2 | Fragaria (Ending Theme) | | |
| 3 | Surveillance -prelude- | | |
| 4 | Yami wo Kakeru Shoujo | | |
| 5 | Machi no Naka no Shoujo | | |
| 6 | Glass no Kioku | | |
| 7 | Kissa Getsuei | | |
| 8 | Samenai Yume | | |
| 9 | Semari Kuru Yami | | |
| 10 | Shizumi yuku Kokoro | | |
| 11 | Giwaku no Melody | | |
| 12 | Kodoku to Negai | | |
| 13 | Yami no Yochou | | |
| 14 | Kare no Te | | |
| 15 | Kibou no Shirabe | | |
| 16 | Hatsukoi no Shoujo | | |
| 17 | Yukaina Hinichijou | | |
| 18 | Yasashiki Nijuusou | | |
| 19 | Yami no Inbou | | |
| 20 | Koroshiya no Jam | | |
| 21 | Koroshiya no Sadame | | |
| 22 | Surveillance instrumental | | |
| 23 | Fragaria instrumental | | |
