Iron Blade

I'd bargain with the devil himself just to call you mine
Irish Mafia prince Eoghan Green has never had to work for a woman's attention. But Kira, a mysterious art curator, has him completely enraptured.
Using every means at his disposal, he pressures her into becoming his wife, concealing the true nature of his "family business" until after the honeymoon.
He thought that would be the worst of it... but it's only the beginning. As the head of the city's biggest mafia crime ring, he's fallen for the undercover agent that's dedicated her life to taking down his criminal enterprise.
When everything is burned to ash, the only thing left is Eoghan's unwavering devotion to Mrs. Kira Green.
He'll never let her go. He won't give her up. She'll never escape the man who calls her "his muse".
This is the first of three books that follow Eoghan and Kira, told in dual POV. The trilogy is an obsessed Irish Mafia/Spy Romance that leads to Iron Cross, then concludes with Iron Crown. No other books must be read before this one.