Check out this book on Goodreads: Dubious
If you love dark romance then you will love this story. Valentina's life fell apart when her parents died and her brother's life forever changed. He suffered a traumatic brain injury, leaving Valentina left to care for him.
She is trying her hardest, working, going to school to become a vet. When she leaves her brother with a neighbor in his care, she then learns Charlie has gotten himself in a lot of trouble with the loan sharks.
One night changes everything. Gabriel was there to kill them both. However, locking eyes with Valentina he knew he couldn't killer, but instead would make her his property.
The twists and turns, how Valentina would come to crave Gabriel. However Gabriel changed the game in order to get his mother off Valentina's demise and didn't let Valentina know the game changed. What she does next leaves Gabriel hunting for her again. He has every resource available to him, how far can she get with her and Charlie with no money to their name.