Beautiful Billionaire's Blackmail - The Carter Brothers, #4

Before becoming a billionaire, Jeremy was a freelance photographer and one of his clients was Nadia for 5 years. They had become really good friends. But now he is a billionaire and he's always had a crush on her, but she had always been in a relationship. and now she wasn't. She asks him to take pictures of her in new bikinis for her store. He agrees even though he isn't doing photography anymore.
She was in a rush to get to an appointment so she would just switch in and out right in front of him. He takes pictures of her naked and doesn't plan to do anything with them. Not until she turns him down. So what does he decide to do. Blackmail her into being his.