He chuckles as it's pretty easy to see that he's rattling the black hedgehog's cage - but that was fun, after all~ He can feel the way that Shadow's hands tighten on his arms, this quick little inhale from him before he whispers what he really wants.
Smirking, Sonic didn't really bother with teasing him this time, leaning in to nuzzle his cheek and slip down, finding a bit of Shadow's neck and nibbling on it softly.