Weiß Schwarz is a CCG produced in collaboration with some of the most popular animation/ video game works in Japan. Players separate the "Weiß" side which features mainly pretty characters from the "Schwarz" side featuring cool characters. Though the title consists of various kinds of card sets, a carefully planned system and rules make it possible for players to mix any of them on each side and enjoy the game. Batman Ninja is a new series in the large Weiß Schwarz universe.