Human is a race of sentient beings, described as having the "light" gene, while vampires have the "dark" gene. Primaray feeding source of the Nobility, their servents, and bio engineered creatures.
When the race of humanity was born into the world, the Nobility, continued as a group in secretly watching as humanity grew and established their governments.
All seven continents are crisscrossed by a web of super-speed highways, and at the center of the system sits a fully automated "cyber-city" known as the Capital, the product of cutting-edge scientific technology. The dozen weather controllers manipulate the climate freely. Interstellar travel is no longer a far-fetched dream. In vast spaceports, hulking matter-conversion rockets and ships propelled by galactic energy stare up at the empyrean vault, and exploration parties have actually left their footprints on a number of planets outside our solar system—Altair and Spica.
During the Nuclear War in 1999, thousands of ICBMs and MIRVs flew in disarray, reducing one major city after another to a white-hot inferno, but the immediate fatalities were far outstripped by the wholesale death dealt by radiation more potent than tens of thousands of x-rays.
After the nuclear holocaust in 1999, Nobility establishing their own system of Government. The human race dwells in a world of darkness (dark age propped up by science). The survivors barely made it. Their numbers totally insignificant, they shunned the surface world and its toxic atmosphere and were left with no choice but to live in underground shelters for the next few years. When they finally returned to the surface, their mechanized civilization was in ruins. With no way of contacting survivors in other countries, any thoughts these isolated pockets of humanity might have had of things returning to the way they'd been before the destruction, or even of rebuilding to the point where it could be called a civilization, were flights of fantasy, and nothing more.
With generation after generation striving merely to survive, memories of the past grew dim. The population increased somewhat after a thousand years, but civilization itself plunged back to the level of the Middle Ages. Dreading the mutant creatures spawned by radiation and cosmic rays, the humans formed small groups and moved into plains and forests that over the years had gradually returned to verdure. In their struggles with the cruel environment, at times they had to kill their newborn babies to keep what little food they had. Other times the infants went toward filling their parents' empty bellies. That was the time. In that pitch-black, superstitious world they appeared. How they—the vampires—kept themselves hidden from the eyes of man and lived on in the luxuriant shadows was unclear. The reason why they allowed humans to continue to exist in the first place, even in their role as subordinates, is still a mystery.
From the end of the fourth millennia A.D., the vampire civilization as a whole started to show a phenomenal decline in energy, and that brought on the start of mankind's great rebellion. Weakened by one great uprising after another, the Nobility entered dozens of armistices with the humans, each of which maintained the peace for short periods. At any rate, their overall numbers were on the decline; ultimately they scattered before mankind's pursuit.
But being nearly indestructible themselves, the vampires weren't so eager to exterminate the mutant creatures humanity feared so much in the years just after the war. Quite the contrary, the vampires loved the vicious beasts, nurtured them, and even created others like them with their own hands. The vampires unleashed one legendary monster after another into the world of man: werewolves, were-tigers, serpent men, golems, fairies, mer-creatures, goblins, raksas, ghouls, zombies, banshees, fire dragons, salamanders resistant to flames, griffins, krakens, and more... Though their creators neared extinction, the creatures still ran rampant on the plains and in the mountains
The humans studied the nature of these artificial monstrosities for generations, learning their powers and their weaknesses. In time, some people came to work exclusively on weapons and ways to kill these things. Of those people, some specialized in producing more effective weaponry, while those of surpassing strength and agility trained themselves to use those weapons. These exceptional warriors were the first Hunters. As time went by, Hunters became more narrowly focused, and specialists like the Were-tiger Hunter and Fairy Hunter' were born. The Hunters were a product of the people's fear. Of them all, Vampire Hunters were universally recognized as possessing strength and intellect beyond the rest, as well as an ironclad will impervious to the fear their former rulers inspired in others
By the time A.D. 12,090 arrived, the vampires and other monsters served no purpose beyond terrorizing the humans on the Frontier.