Megumi Hayashibara
The soundtrack contains all of the film's background music (BGM) composed by Takayuki Hattori, the ending song (as well as its special version called "Movie Size Version"), and two characters songs ("image songs") along with a special version of one of them (called "Fireball Groove Mix") and a karaoke version of the other. All vocalized songs were performed by Megumi Hayashibara and Maria Kawamura.