I Am Done Being The Vampire's Blood Bag

Bella Mercer has loved Vampire King Edward Valerand for five years, unaware he has always been smitten with her younger sister Vivian. For five long years, she foolishly served as his human blood source. Betrayed and broken, she chooses to let go on the eve of their wedding. Secretly swapping places with Vivian, she marries Lucas, the Alpha of the werewolf clan. The gentle werewolf king lavishes endless affection on her. Edward discovers the switch on the wedding day and sets out to chase her.