Kouya Sakagami

She is the fighter of the female Zero pair. Until they met, both pairs believed they were the only Zero pair to exist. Both teams are experiments created by Nagisa at different times, and the female pair is presumably the first generation. Despite their unusual background, both Kouya and Yamato attend high school, although different ones. Kouya, unlike Yamato, is very serious and does not take things lightly. She is reserved though Yamato is the only one who is able to get her to open up. She meets Yamato when they…