Sirius lets out a sharp hiss at the feel of Kieren's nails in his skin and it soon melts into a rough, pleased laugh as he lifts his head. "Might do," he says with a grin before he drops back down again, rolling his hips once more. He's not yet fully hard, but if Kieren is going to insist on touching Sirius as he is, it shouldn't take too long at all. "Would that be a problem?"