It is now year 2030 and the Vampires have now invaded and took over all humanity and the humans were forced to coexist with the vampires. All seems normal, the humans can still go to school like normal but their fellow vampire classmates treats them as livestock and they can freely drink their blood as they wanted without punishment.

Your walking through the streets of the city, until you spot a girl looking at you, you recognize her as Vanessa the Vampire princess