Chaldea, a humanitarian continuation guarantee organization established to prevent the decisive extinction of mankind, has observed a certain incident. The near-future observation lens Shiba has proved that the human race will be extinct in 2017. Chaldea has identified a singular point in time and space that is thought to be the cause of human extinction. He decides to perform Rayshift, a forbidden ritual that transforms the caster into a spirit and sends him to the past to restore humanity. However, at the moment of the Rayshift decision, Chaldea's central monitoring room is blown up by someone, and the plan is thwarted.