Darker Than Black is an anime that contains humans, contracters, dolls, and moratorium. The main character is Hei (黒,lit. Black) thus the name Darker Than Black. He also goes by the name The Black Reaper. He is a contracter with the ability to discharge electricity. The only thing is that He can not discharge electricity through air. The opening theme of Darker Than Black is played by a band called Abingdon Boys School. The title of the song is called Howling.