Xiffel turned into a vampire at night when he was 15 years old, and was rescued by the Duke of the Vampire Castle when he was about to be burned to death.
And after waiting for a long time in this castle, the vampire Duke has lost his patience. He just wants to quickly harvest the bad blood that is not the queen's.
After the bloodline awakened, Xiffel realized that this was just the beginning. If he could not win the queen's throne, he would most likely become the nourishment for other queens' bloodline awakeners.
So, what is her identity?
Purpose: Try to survive