But working with Zero Two has its own troubles.
. Will the pair become the saviors of this desolate world, or is there something more dangerous than klaxosaurs awaiting them? Known as the partner killer, no one has survived more than three battles with her.But right when he gives up the fight, he meets Zero Two, the girl with the horns, and finds a new reason to keep going. In a battle against deadly beasts known as klaxosaurs, only the children, classified as parasites, are humanity's hope in this dying world.