The early stage of Qingcheng is based on the youth campus, and the later stage is... The sadistic part.
She, him, him, and them, they were born as vampires with a miserable status. They have immortal youth, but for thousands of years, they have only been bordered by loneliness, watching the evolution of the world.
A vampire, which means a bloodthirsty, blood-sucking monster, is a famous monster in the Western world. The reason why it is called a monster is that it is in an embarrassing situation: it is neither a god, nor a devil, nor a human being.
Divide vampire society into pyramids
LEVEL A pure blood vampire
LEVEL B noble class vampire
LEVEL C General Vampire
LEVEL D A vampire who was originally a human
LEVEL E=LEVEL END outside the pyramid,
LEVEL D will become LEVEL E, and rationality will gradually be eroded, leading to destruction step by step, and will be ruled by vampires of the aristocratic class.