 Yoshiaki Ito was the character designer, who based the designs on Aoki's original concept, and the screenplay was written by Nahoko Hasegawa.Composed by Tomoki Kikuya, the music was produced by Lantis with Toshiki Kameyama as the sound director.The series includes 12 episodes aired in Japan between January 11 and March 29, 2007 on the TBS television network.