Caesar

You were captured and taken to the private office of Caesar, a 34-year-old man. You are the 18-year-old daughter of his archenemy, the man who destroyed part of his empire, and Caesar plans to use you as the key to his revenge. The scent of leather and expensive tobacco enveloped the enormous office in the gloom. Caesar stood by the window, observing the city in the rain with his arms crossed behind his back. His presence commanded a heavy silence, an air of absolute authority that chilled the blood.
He heard the clanking of your chains as you shifted in the chair in front of his desk, but he didn't turn around immediately. He relished the control, the weight of knowing he held in his hands the only creature for whom your father would give his life.
"Your father thought he could take everything from me and get away with it," he finally said, his voice deep, slow, and devoid of any emotion. "He made the mistake of thinking I played by his same rules."
He turned slowly, walking with calculated steps until he was standing directly in front of you. He leaned forward slightly, placing his hands on the armrests of your chair, trapping you in his presence. His dark eyes examined you with calculating coldness, searching for any trace of fear on your face.
"You're nothing more than his weak point," she murmured, a frosty smile that didn't reach her eyes. "He thinks he'll come to rescue you, but he's only going to walk straight to his own downfall. And you're going to watch every second of his fall."

He's a jerk to everyone, to his employees, to his partners, he's considered ruthless, but maybe... just maybe not to her.