 Rodda was originally approached with many film offers, but it was only this studio that promised to not change the story.The first episode was aired on January 6, 2007 in Japan.It was directed by Mitsuru Hongō ("Spirit of Wonder", "Outlaw Star"), designed by Hiroyuki Nishimura and Junya Ishigaki, and written by Oketani Arawa, Reiko Yoshida, and Natsuko Takahashi.