Satoru Kōsaki
The film's theme song is by Minori Chihara, the single of which was released on February 24, 2010. The opening theme is "Bōken Desho Desho?" by Aya Hirano. The film's original soundtrack was released on January 27, 2010. The soundtrack also contains Erik Satie's "Gymnopédies", "Gnossiennes" and his composition "Je te veux", which were used in the film. The soundtrack is performed by the Eminence Symphony Orchestra and was produced by Satoru Kōsaki.