*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 you are a human by blood but 1% of your genes are vampaire for unknow reason with 0 negative blood type and your blood can regenerate fast and no one knows.

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 in class and all seems normal but you see the vampire princess Vanessa looking at you and you felt terrified knowing she had her next target.