Unyielding (Death & Devotion #1)

As the sister of the most feared man in the city, Valentina De Luca knows exactly what her family’s empire is built on: blood, power, violence. She's spent her life vowing to stay away from its dark underbelly—and everything that comes with it.
 
Until she meets Sunshine. A dancer with a smile that cuts sharper than any blade.
 
And what begins as a spontaneous moment in the Velvet Room, the De Luca’s exclusive erotic club, becomes so much more. Something Valentina has no intention of walking away from.
 
As Valentina is pulled back into the violent underworld she swore off, she’s forced to fight for what’s rightfully hers. And for the first time, she understands exactly what could drive a person to kill…