The Billionaire's Unwanted Ex-wife is the Genius Tycoon

Summary

I was Nathaniel Falcon’s unwanted wife—a "country bumpkin" he ignored for years. But he never knew I’m Dr. Sinclair, the genius surgeon who saved his life. Now that he’s chasing his ex, I’ll make him regret everything. Let’s see him beg when he discovers the duckling is actually a swan