There is a strange breed of mechanical beings, called "machines", which, provided that their owner never loves another person, while he is alive (otherwise the debt will be paid in blood), will be awarded with their carriers and prosperity. And where the owner betrayed his car, you will definitely find a member of the mysterious family Gary, carriers and hunters for cars, in the subsequent slaughter ... So it was justified when the Gary family was sent to High School Shakunage to secretly investigate cruel murder committed by subtle hands of the car ... But it was not so justified when Hanare Sizhum, a young man with his own agenda, enters the secondary school shortly after that, defeated by his own investigation, and soon he meets the head of the family of hunters, an amazing girl of his age .