Noire was playing with her childhood friend Distin as usual, when the demon lord revives in a cave outside the village turning Distin is turned to stone. The goddess Nil appears before Noire, who tells her, "You are the only one who can save Distin."
From this day on, Noire's adventure began.

The goal of the game is to work towards defeating the demon lord within 3 years. Using a calendar system to track time passing, Noire must train, capture monsters, and take jobs to prepare for defeating the demon lord.