The commander grinned as she squirmed about, the squeak drawing a chuckle from him, and he slowly pumped the lone digit within her, listening intently to the sounds she made. His other hand rested on her thigh, caressing the muscle and teasing along the inside, but most of his attention kept with teasing within.

The nips and suckles to his skin weren't enough to get through his tough skin so he said, "Harder." adding a second finger as he spoke.