THE ALPHA'S HEALER : The Lost Lycan Empire

Raine was a healer and she was purchased at a high price from an auction house by Alpha Janson who ordered her to cure his son, Landon, who had been poisoned. However, Landon didn't have a pleasant personality. He almost killed Raine on a few occasions. The problem didn't end there. Raine only had six months to cure the nasty Landon, or else she would meet with her demise, just like the ten healers before her. Gradually, Raine learned some secrets and when Landon began to accept her, he actually dragged Raine into a vortex of problems that would change everything... — Description from novelcodex.org