 Produced by Arms Corporation and directed by Mamoru Kanbe, it premiered on TV Tokyo's AT-X satellite channel on 25 July 2004 and concluded on 17 October 2004.The series spanned 13 episodes and was followed by a single original video animation on 21 April 2005.The OVA episode, referred to as episode 10.5, depicts events occurring somewhere within the timespan of episode eleven of the series.