The story takes place in an imaginary town Seize (the model cities are Cuenca and Alarcon Fortress in Spain). A long war brings a gradual... More >
The story takes place in an imaginary town Seize (the model cities are Cuenca and Alarcon Fortress in Spain). A long war brings a gradual decline to the world. People disappear from the town and fishes cease to exist in the sea. In this quiet world, five girls guard a fortress and play brass vividly.

The fortress maidens are accused of treason for hiding an enemy soldier. But even then, they try to follow the path they believe is right. The two nations' armies are in a tense standoff at the border. What will the fortress maidens do to stop the war?