Ali Project
Two pieces of theme music are used for the anime; one opening theme and one ending theme. The opening theme is performed by Ali Project, and the single was released on January 23, 2008. The ending theme, written by Saori Kodama with composition and arrangement by Pe-jun, is "Chain" performed by Snow*, and was released on February 6, 2008. The anime's original soundtrack was released on March 26, 2008; each of the albums are released by Lantis.