He's a bit tentative at first, though Sirius can't blame him, gently rubbing at his wrist before twisting it one way and then the other, testing it out. The fact that he's able to do at all is proof that the spell worked and Sirius lets out a quiet breath, the tension in his own shoulders easing.

He isn't expecting the kiss, but he smiles against it right away, eyebrow arching at the tone in Kieren's voice. "Only just now?" he asks with a quiet laugh. "And after I've gone through all the trouble to try to cook you a magic-free dinner?"