The Humane Continuity Guarantee Agency, Chaldea, observes a world that can not be seen only with magic. One day, the near future observation lens Shiva will incinerate the future of humanity in 2017-it has been proven that humanity will be extinct. "Unobservable areas" suddenly appearing in various places in history-singularities. Chaldea assumes this is the cause of human extinction and decides to travel in time to the past. Members of Chaldea, such as Tatsuka Fujimaru, Mash Kyrielight, Leonard...