El Cazador de la Bruja is an anime television series directed by Kōichi Mashimo and animated by Bee Train studio. It is a spiritual successor of Noir and Madlax and the final installment of Bee Train's "girls-with-guns" trilogy. The series was aired on TV Tokyo from April to September in 2007. A manga adaptation was serialized in the Champion RED Magazine beginning in March 2007, and the chapters were collected into one volume.

Noir is a 26-episode Japanese anime television series created and written by Ryōe Tsukimura and produced by Victor Entertainment and Bee Train. The series was directed by Kōichi Mashimo, with Yoko Kikuchi, Minako Shiba and Satoko Miyachi in charge of character designs, Kenji Teraoka in charge of mechanical design, and Yuki Kajiura composing the music. The DVD version was released by ADV Films in North America and the United Kingdom and by Madman Entertainment in Australia and New Zealand.