Across the vast lands of Firmamundo, many legends and adventures have been and will be told.

In The Princess of the Kingdom of Catatais, the story of a kingdom begins to crumble when the princess, who was seen as the hope for salvation against an ancient evil, mysteriously disappears. The situation worsens when the threat resurfaces, putting the existence of the Catatau people at risk.

Mysteries, parallel plots and trips back and forth to the past make up the setting for the first narrative by Firmamundo. Will the Catatau people be able to rid themselves of evil?