Dominia Aeternum! (DvN OC x FGO)

Chapter 1: Chaldea's Combat Medic.

[Templin Insitute]

Whether the situation was chaotic or not, the world has been known to be full of National Governments and Wars between humans...

However, there has been one organization that's been protecting humanity from falling into an extinction event... And yet, it has remained hidden in the shadows from the Public Eye.

In the Year 2000, they attempted to create countless Designer Babies for their Demi-Servants in an attempt to create a fusion of a Hybrid. One of a Heroic Spirit and a Human.

However, their sixth experiment ended in failure.

In 2004, it was merely an astronomical observatory, a research facility created by the Mage's Association. Under its banner to oversee humanity's future, however...

They have carried out unethical and inhumane experiments, that even the Geneva Convention would have them shut down...

And yet, they've managed to find a loophole in order to remain inconspicuous through political maneuvering and careful analysis...

They were able to confirm the presence and persistence of human civilization in the future...

That is until 2015... SHEBA suggests that humanity would be extinct by 2019. Along with the event in Fuyuki, Japan. As the city has become known as Singularity F.

The Grand Order has declared the purpose of interfering with the past and correcting the course of history. As Olga Marie Animusphere negotiated with the United Nations Council to recruit Masters to investigate Singularity F.

After their permission was granted. The Organization recruited 48 Candidates in 2016.

However, thanks to one of Chaldea's Operatives, Lev Lainur, betrayed and sabotaged their mission. All but one were critically injured and were put into cryogenic freeze in their coffin. Until Medical Support from outside arrives.

To their luck, the last remaining Master, named Ritsuka Fujimaru. Has successfully restored the Human Order...

...

While the Origins of the Organization were unknown, it was true that they're a highly advanced technological and mystical organization.

It is a Secret Organization founded to prevent the "Extinction Events" of the Human Race. One of handling anomalies and existential threats against humanity.

It is an organization that has one vision, and one purpose. "To preserve the reign of the Human Order, above all else."

From the outside view, it is a Scientific Research and Observation Organization, working on behalf of the United Nations.

But on the inside view, it is more of a Powerful Paramilitary Organization, that mission is to prevent the collapse of Humanity, coming from the past.

It's an Organization, that the world doesn't know... are currently at their mercy...