Ar Ciel is the world the story is based in. At the end of the First Era, all of Ar Ciel's land was lost in the First Disaster, also known as the Grathnode Inferia.
Continents
Since the Grathnode Inferia, Ar Ciel has been split into four continents, each housing their own Song Server:
- Sol Ciel
- Sol Cluster
- Sol Miene
- Metafalss