Cross
Cross is the only bad girl of the movie. She is very powerful, but falls 2nd to many. She is Chaos's older sister, but for some reason, is weaker than him and takes orders from him instead of giving them herself. She is killed in the 2nd part of the movie by Nagisa, then her spirit form mixed with the void is killed by all 4 of the Iczers in a team attack.
Here are some pictures: