Music:
Michiko Naruke (01,03-05,07-10,12,13,23-25,27,35,40,41)
Saki Furuya (06,17,18,20,26,28,30,31,33,34,39)
Kyohei Ozawa (02,16,19,29,32,37)
Naoki "naotyu-" Chiba (11,14,15,21,22,36,38)
M-42 - Theme Song
Composition, Lyrics: Michiko Naruke
Arrangement: Kenji Katoh
Performed by Rin Akatsuki
Album was composed by Kyohei Ozawa / Michiko Naruke / Naoki Chiba / Saki Furuya and was released on January 23, 2019. Soundtrack consists of 42 tracks tracks with duration over more than hour. Album was released by Sony Records.
CD 1
| 1 | Million Memories (inst version) | 02:14 | |
| 2 | 舞い降りる狂乱 | 01:50 | |
| 3 | 咆哮 | 01:58 | |
| 4 | all alone in the world | 01:08 | |
| 5 | ファルガイアの風 | 02:28 | |
| 6 | ブルーキャラバン | 01:38 | |
| 7 | 預けた背中 | 01:43 | |
| 8 | 渡り鳥は征く | 02:04 | |
| 9 | エンカウント! | 02:08 | |
| 10 | Condition Green | 01:02 | |
| 11 | 果てなき深淵へ挑む | 02:10 | |
| 12 | 黒と赤に染まる絶望 | 02:09 | |
| 13 | 古の呼び声 | 02:08 | |
| 14 | 死線を越えて | 01:54 | |
| 15 | ブレイブハート | 01:57 | |
| 16 | 暗闇を越えて | 01:52 | |
| 17 | 未来を拓く戦火 | 01:58 | |
| 18 | 危地を駆け抜けて | 01:57 | |
| 19 | 突破口 | 02:18 | |
| 20 | 不安から焦燥へ | 01:34 | |
| 21 | フルバースト | 01:58 | |
| 22 | 死闘 | 01:57 | |
| 23 | 冒険への誘い | 01:53 | |
| 24 | ふくれあがる悪意 | 01:10 | |
| 25 | 未来への希望 | 01:58 | |
| 26 | 優しいまなざし | 01:08 | |
| 27 | 変事 | 01:42 | |
| 28 | 慚愧 | 01:43 | |
| 29 | かけがえのない時間 | 01:28 | |
| 30 | 穏やかなひととき | 01:55 | |
| 31 | 愉快な人たち | 01:00 | |
| 32 | 終焉の足音 | 01:17 | |
| 33 | ノブリスオブリージュ | 01:41 | |
| 34 | 祭典 | 01:14 | |
| 35 | グッドフェローズ | 01:38 | |
| 36 | 深きものの王 | 02:09 | |
| 37 | にじむ想い出 | 01:49 | |
| 38 | 高く厚き壁 | 01:40 | |
| 39 | 凍りついた刻 | 01:24 | |
| 40 | Next Memories | 02:36 | |
| 41 | 君が咲かせた花 | 01:47 | |
| 42 | Million Memories | 04:58 | |
