Included in Astria Ascending Collector's Edition
Album was composed by Hitoshi Sakimoto and was released on September 30, 2021. Soundtrack consists of 10 tracks tracks with duration over . Album was released by Dear Villagers.
CD 1
| 1 | The Council Room | | |
| 2 | Focus! (Battle Theme) | | |
| 3 | Protectors of Harmony (Boss Battle Theme) | | |
| 4 | Ranta, Home of the Zefts | | |
| 5 | Temple of Shala, the Virgo Astrae | | |
| 6 | Ulan, Leader of the Demi-gods | | |
| 7 | A 3 Years Mission | | |
| 8 | Defying Fate | | |
| 9 | Temple of Amalthea, the Capricorn Astrae | | |
| 10 | Temple of Helicon, the Sagittarius Astrae | | |
