Vocals: REI NIKAido (CV: Ibuki Kido)
M-01 - PS4/PS Vita/Nintendo Switch Game "Worldend Syndrome" Ending Theme Song
Composer: Yoshinori Sugimoto
Arranger: Yoshinori Sugimoto
Lyricist: Yoshinori Sugimoto
M-02 - PS4/PS Vita/Nintendo Switch Game "Worldend Syndrome" Insert Song
Composer: Kei Kato
Arranger: Kei Kato
Lyricist: RUCCA
Album was composed by Yoshinori Sugimoto and was released on August 08, 2018. Soundtrack consists of 4 tracks tracks with duration over about 20 minutes. Album was released by King Amusement Creative.
CD 1
| 1 | Unending blue | 04:31 | |
| 2 | Natsu no Secret -5ukI- | 04:03 | |
| 3 | Unending blue (off vocal ver.) | 04:31 | |
| 4 | Natsu no Secret -5ukI- (off vocal ver.) | 04:04 | |
