Welcome to the Aria of Sordina, a game that takes place in the world commanded by the Confederacy of Sordina, the government party of the city. This world has an element called music magic, a power through which its citizens can use music and sound to control the world around them. However, for many years, the Confederacy has held its tyrannical rule over the city suppressing of the music magic. Play as the only heroine who can save the world as one born with an inherent form of music magic to defeat the Confederacy.