3x6 - Absolute Zero

Norito Izawa and the investigation squad realize, that a series of mysterious incidences had been happening with some of the individuals linked with the criminal cases. These include the accidental murder of a young girl with a rifle, whilst on a animal hunting trip, and the mysterious death of a court judge who had been dealing with this case, suddenly falling down an elevator to his death. Many more cases like this become the subject of their investigation as they eventually realize that something serious has occurred within the backdrop.