Weiß Kreuz (ヴァイスクロイツ, Vaisu Kuroitsu, German for "White Cross") released in the United States as Knight Hunters: Weiß Kreuz by Media Blasters, is an anime about four assassins that work in a flower shop called "The House of Kittens", a reference to their feline codenames. The assassins are members of a group called Weiß (white), which is run by Persia of the mysterious Kritiker organization.