new york, Adro, Italy
The anime merchandise is very popular. Viz Media released four boxes sets of the anime, each with special features. Three recap episodes were included on the bonus DVD. The soundtrack was released in 2007. It contains themes and insert songs. The opening theme was performed by Anna Tsuchiya, and the closing theme was performed by Olivia Lufkin. Tsuchiya's individual album was released the same day that the Lufkin album.