Isaac whimpered loudly, as Stiles pressed forward into him. It still wasn't enough. All it did was tease him, but then Isaac knew that teasing often lead to the promise of something more. That, and if he knew his Master's reaction to Stiles, the slowness of it all would never last. Despite the movement, Isaac did as he was told, and thrust back hard into Stiles' lap, the flesh of his ass striking Stiles' hips.
"So good," he moaned, his eyes fluttering shut. The three men worked to find a rhythm, not always an easy task, with such numbers.