A millennium has passed since the war between the Heavenly and Human Realms ended.

The King, both the oldest human monarch and the last Celestial, had not emerged from the temple for a millennium.

Into that temple, a young girl is hired as a cleaner.

The girl, who knows the King's name—a name no longer remembered by anyone in the world—is Azebe, his former master from the Heavenly Realm.

To see her former disciple's happiness, Azebe's endeavors begin.