Higurashi Tei life becomes adherent when a paranormal pathogen annihilates 25% of each country’s population. An anonymous organization declares that all governmental power is now cleansed from Earth provided humankind an opportunity to live a life of Free Will. They created a international policy across the globe called O.G.A. (obedient gene assessment) which states that no matter what command or order an individual is giving they must reply with a yes and perform that action/task, if they refuse that person DIES.