Yousei Teikoku's 20th anniversary single.
M-01
Composer: Nanami
Arranger: Nanami, 第参軍楽隊
Lyricist: YUI
M-02
Composer: Takaha Tachibana
Arranger: Takaha Tachibana, 第参軍楽隊
Lyricist: YUI
M-03
Composer: Shiren
Arranger: Shiren, 第参軍楽隊
Lyricist: YUI
Album was composed by Nanami / Shiren / Takaha Tachibana and was released on May 31, 2017. Soundtrack consists of 6 tracks tracks with duration over . Album was released by Lantis.
CD 1
| 1 | flamma idola | | |
| 2 | Tengajuu Papilio | | |
| 3 | Daikan Uchuu Shisha no Yurikago | | |
| 4 | flamma idola (Instrumental) | | |
| 5 | Tengajuu Papilio (Instrumental) | | |
| 6 | Daikan Uchuu Shisha no Yurikago (Instrumental) | | |
