Composer: Chikara Aoshima
Audio Director: Ken Aseem Usami
Music Director: Akiyuki Morimoto
Mixing Engineer: Takashi Moriguchi
Audio Engineer: Wolfgang Schiefermair
Audio Producer: Ryo Kanaya
Lead Singer: Nora Mihle
Choir: Stephen Moult, Kiki Manders, Maria Christina, Benjamin Barritt
Cello: Natasha Jaffe
Piano: Rieko Okuda
Guitar: Alex Baboian
Hang Drum: Koji Matsumoto
Balafon: Ben Niran
Tap Dance: Christopher Erk
Album was composed by Chikara Aoshima and was released on March 27, 2020. Soundtrack consists of 19 tracks tracks with duration over more than hour. Album was released by Suleputer.
CD 1
| 1 | The Prelude | 03:10 | |
| 2 | Coral Reef -Epipelagic- | 05:11 | |
| 3 | Sendo -The Drone- | 05:42 | |
| 4 | The Dark Dweller | 02:35 | |
| 5 | Eunice Aphroditois | 04:50 | |
| 6 | Trench -Before Dawn- | 02:51 | |
| 7 | Trench -Jewelry Box- | 05:07 | |
| 8 | Fallen Prosperity | 04:40 | |
| 9 | Ancient Ruins | 05:00 | |
| 10 | One After Another -Ancient Ruins- | 04:23 | |
| 11 | Break Out | 04:50 | |
| 12 | Excubitor Eternus | 05:37 | |
| 13 | Undersea Volcano | 03:26 | |
| 14 | Into the Depths | 01:07 | |
| 15 | Beyond Hades | 06:05 | |
| 16 | The Decision -Intro- | 01:07 | |
| 17 | The Decision -Chaos- | 06:18 | |
| 18 | The Decision -Farewell- | 01:26 | |
| 19 | Lullaby in the Depths | 02:28 | |
