No Heir for Cheating Alpha

"Alpha Caleb, my fated mate, cheated on me while I was pregnant with the child we'd been waiting for throughout our 5 years of marriage. I handled all the Luna duties and household chores while he was busy having fun with Chloe, his mistress. A week before giving birth, I found out Chloe was pregnant too, and the two of them were planning to get rid of me. That's when I decided to leave and never give Alpha Caleb what he wanted most: the heir!"