Complex sentence: The series was licensed by A.D. Vision for North American localization since the first episode aired, and the first DVD was released April 10,2007, but has since been removed from the company's website.
Split into simpler sentences: The series was licensed by A.D. Vision for North American localization since the first episode aired, and the first DVD was released April 10,2007. However, the series has since been removed from the company's website.