Within

Demons and monsters lurk in the dark crevices of Earth, waiting to pounce on any innocent for it's next meal.

While this has been occurring for all of humanity's time, only as of 1949 was Demon Hunting Incorporated established. A society of Secret Agents but instead of investigating government conspiracies, they hunt demons.

New technologies that far surpass the normal outside world help hunt the creatures of the night more efficiently, and cleanly to make sure the average citizen doesn't have to find the true horrors of their world, but that is only one major difference in the Modern DHI Headquarters, the other being their current top agents holds an amnesiac teen girl in their ranks