One of the beautiful girl cyborgs known as Artemis-Z, developed by Dr. Hoshino, Haruka confronts the dark cyborg monster Urgias. Urgias exists solely to continuously assault young women in pursuit of their endorphins. Haruka fights against Urgias but is ultimately defeated. Subjected to torture via high-voltage electric currents, she is brutally raped. Her battered body drained as Urgias sucks out her endorphins, a hidden truth behind the connection between Urgias and the Artemis-Z units begins to emerge. What is the shocking truth?!