 The second season's opening theme is "I Say Yes" by Ichiko, released on July 25, 2007, and the ending theme is by Kugimiya, released on August 8, 2007.The first seasons original soundtrack was released on August 23, 2006, and the second seasons' soundtrack was released on August 22, 2007.The third season's opening theme is "You're The One" by Ichiko and the ending theme is "Gomen ne" by Kugimiya.