Their cerebral arteriovenous veins were invaded by parasitic pests. The children become "merciless zombies" and " kill" their parents and other people related to them in order to take revenge on the adults who have controlled their lives.

A complete horror film about parents who go insane because of their love for their daughter. Every time the full moon approaches, Naoko, a woman who can only survive by eating human flesh. The mother searches for prey for her daughter, while the father is tormented by remorse.