Ravished by the Beasts - The Whitehaven Shifters, #1

Isobelle Harding, an animal biologist, entered a thrilling world of shifters after agreeing to mate with the Bennett Brothers. However, her honeymoon period was cut short when she contracted a mysterious fever that could only be cured through sex. Unbeknownst to her, the werewolves keep a family secret that threatens Isobelle's safety. On her journey, Isobelle becomes a target for hunters and realizes that no one can be trusted, as evil hides behind friendly faces.
But when pushed too far, she unleashes a wild power within herself that surprises everyone. Isobelle becomes a she-wolf scorned, with newfound strength and a leather-clad attitude that marks her rebirth.