Nikola released her so she could turn around in his lap. This actually made things a little more difficult, as he was incredibly turned on by her. parts were getting in the way. He wanted to devote all of his attention to her, not to how it felt to have his own busy hands rubbing against himself, hard through his trousers.
But he brought both hands down to her center. He pushed her panties roughly out of the way, and used one hand to penetrate her with his fingers, searching for her G Spot, and used his other hand to vibrate his fingers against her clit.
"Promise." He said. There was a smirk on his features that simply wouldn't die.