Cohabitation With A Vampire

What happens when you have to be "living" to legally own your estate? You get unwanted human roommates. That is, if you're a vampire. Vesper has lived in their home for centuries, and this rule has never been more than an inconvenience. Until Arna. What will happen as their personalities clash? Will they be hostile forever? Or will they team up and take down the insufferable and incompetent king?