Tale of the Vampire Princess(Book 1)

It's when Ah Yue Kleeio thought that she's a ghost appearing to be useless in the story met Yuan Lazaro who turned to be her only hope in finding her lifeless human body.
But in an unexplainable way,Ah Yue seems to be your not ordinary ghost in the story.Because she posses the powerful crown of the Dark Dimension.
And to make things more complicated,Yuan Lazaro found out his true identity.