Noble, beautiful, powerful.
This describes the purebloods known as Level A.
Level E means Level End. Outside the vampire hierarchy, their reason is gradually eroded as they descend step by step toward death. Vampires of the noble classes and above control them, and in the end they are hunted down. The lowest rank.
They say humans and vampires can coexist peacefully.
But
Nobody cares about us at all.
Come on