He Called It a Lie. I Called It Goodbye.

Chloe left Adrian to spare him the burden of her hereditary illness. Years later, he returns as a ruthless mafia boss and forces her into marriage, determined to punish the woman he thinks abandoned him for money. While he humiliates her with his mistress, Chloe quietly counts the days she has left. When her failing body finally reveals the truth, his revenge turns to desperate regret. But with her childhood friend Lucas by her side, will Chloe give Adrian one last chance—or leave him forever?