Cassian shook his head, forcing the thought away. 'No, too dangerous...' he reminded himself. The thrill of pushing boundaries was one thing, but explaining why his mouth had found its way there would be a different challenge altogether. He needed a believable excuse if he ever decided to cross that line—something Katherine wouldn't question or see through.
For now, he focused on the task at hand, keeping his fingers moving inside her with a practiced touch. He maintained the pressure on that sensitive spot, using the technique he'd memorized to bring her closer to the edge without quite pushing her over it. Her body responded to his every movement, the muscles tightening around his fingers as her breaths came in quick, uneven bursts.