Mangas

ソ・ラ・ノ・ヲ・ト, So-Ra-No-Wo-To, So·Ra·No·Wo·To, Sora no woto, Soranowoto, Sorawoto, Sounds of the Skies
The story takes place in an imaginary town Seize (the model cities are Cuenca and Alarcón 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.