Fate/Grand Order: Shuukyoku Tokuiten – Kani Jikan Shinden Solomon

Anime adaptation of Solomon arc of Fate/Grand Order video game. In 2015, the last era when magic was established.
Chaldea, a humanitarian continuation guarantee agency established to prevent the decisive extinction of humankind, was observing a certain incident.
The near-future observation lens Shiva has proved that humanity will be extinct in 2017.
Chaldea identifies a singularity in space-time that is thought to be the cause of human extinction.
Decided to perform a forbidden ritual, Rayshift, which turns the surgeon into a ghost and sends it to the past to restore humanity.
However, at the moment of the Rayshift decision, the central monitoring room of Chaldea was blown up by someone, and the prospectus was blocked.