Princess Fallen. Vampire Princess Diaries, #1

She was sent to betray him. Falling for him was never part of the plan. Half-human Hannah Bates has spent her life resisting the call of her blood. But when her ruthless vampire king father orders her to seduce and destroy an alpha werewolf suspected of murder, she has no choice. She's bound by duty, by power.and by the terrifying truth that her father's commands are absolute. Victor Rogan is dangerous and dominant, and the moment he lays eyes on the vampire princess, something inside him shatters.
She's not simply intoxicating. She's his fated mate-an impossible bond that shouldn't exist. A bond that could ruin them both. Victor knows Hannah isn't what she seems. He should be wary. He should push her away. Instead, he's hungry for her-body, blood, and soul. But the deeper they fall, the more the shadows close in. Lies, betrayal, and deadly secrets threaten to tear them apart. Hannah was sent to ensnare the wolf.
But she may have just handed him her heart.along with her life.