The Billionaire's Fake Wife: Sinclair & Summer's story. Standalone Enemies to Lovers Fake Relationship Romance (Big Bad Billionaires)

Summer agrees to a thirty-day contract to pose as the wife of Sinclair Sterling, a cold and calculated billionaire who needs a stand-in spouse to manage his board of directors. Summer needs the payment to support her family and protect her sister. They establish clear rules: thirty days, one contract, and no romantic involvement. Living together proves challenging as tension builds between them. Sinclair's touch affects Summer deeply, and their forced proximity—including sharing a bed—creates mounting pressure. What begins as a business arrangement becomes complicated as Summer's feelings deepen, despite her initial resolve never to trust another man. As the contract period nears its end, Summer questions whether she can walk away from Sinclair or if she will return to him. The story includes a fake relationship, a grumpy male lead with emotional depth, a confident female protagonist, and a mischievous whippet character. It is a standalone novel in the Big Bad Billionaires series.