7 Nights With My Step Brother's Rival

“Seven nights with the devil to pay a debt. One truth that will burn the world down. Sienna Blackwood was never part of the deal until her step-brother gambled with her life to save his own. Now, she is collateral in a brutal game of revenge. The collector is Dante Moretti, a billionaire with a fifteen-year grudge and a thirst for Blackwood blood. He doesn't want her money; he demands seven nights of her total surrender. But in the shadows of a Manhattan penthouse, hatred turns into a lethal obsession. When a syndicate ambush forces them to flee, the contract becomes a race for survival across the Atlantic. Hunted for the three-year-old secret heir in their arms, Sienna and Dante must navigate a world of blood oaths and forced alliances. In a game where every kiss is a tactical error, Sienna must decide: is her step-brother's rival the monster who shattered her life, or the only man who can save it?”