Ruthless Vow by Natasha L. Black

He saved me from a kidnapping. Promised protection I never asked for. And became more dangerous than my enemies. Viktor Kovalev isn't a hero. He's the kind of man even the Bratva fears. And he just started a war over me. I was supposed to marry a monster. A forced Bratva alliance my own father arranged. I said no. They dragged me into a car anyway. Then Viktor showed up with a gun and a death wish, And everything changed. He locked me in a safehouse. Called me Valkyrie. And looked at me like I was already his. I told him I'd never be his. He said, "Then fight me." So I did — until fighting turned into something neither of us could walk away from. Now I'm carrying a secret that will change everything. His enemies want me as a bride. My father wants me as a bargaining chip. But Viktor? When he finds out what I'm hiding, he won't just protect me. He'll end bloodlines to keep ours safe.