Theirs to Use by Emily Tilton

When eighteen-year-old Karen Hunter misses three payments in a row on her car loan, she runs afoul of her society’s harsh laws on debt and ends up in jail. But two wealthy, powerful men intervene to secure her release, and soon she is living in the penthouse of Samuel Green.
Samuel and his friend Griff Singleton meet all of Karen’s needs and she is soon enjoying a life of luxury, but what will the two handsome millionaires expect in return for their generosity?