Derek allowed the kiss, a reward for asking him for what she needed. When the kiss ended, he nosed along her cheek to speak softly in her ear as his hand trailed from her hip over the curve of her ass, kneading the flesh before he slid his finger between her cheeks to tease the tight ring of muscle. "Pick out what you want. But remember that it'll stay plugged even after I'm done with you, until you take off the belt to sleep."