D.Gray-man (ディーグレイマン, Dī Gureiman) is an ongoing Japanese manga series written and illustrated by Katsura Hoshino. It was first serialized in 2004 in Weekly Shōnen Jump, published by Shueisha under their Jump Comics imprint and currently fifteen volumes have been released. There is also a novel series called Reverse, authored by Kaya Kizaki, that tells the characters' backgrounds. As of May 6, 2008, Viz Media has released the first nine volumes in the United States. The anime series began airing on October 3, 2006 in Japan and is still ongoing.