Yamato Nakano

As the designated sacrifice within the female Zero pair, this vivacious and outgoing girl provides a bright contrast to Kouya’s somber demeanor. Their intense, devoted bond serves as a central focus during a pivotal mini-arc in volume four, where the relationship begins to place unexpected emotional strain on her. She finds deep meaning in her shared marking-a slashed zero located on her breast-yet she faces growing distress as this physical symbol of her connection to Kouya begins to mysteriously fade.