"Look at you," Derek sighs, nuzzling against Stiles' thigh. "I like you like this."

The flush that's spreading over Stiles' skin is beyond sexy, and the way his eyes are -- dark and wanting -- the way Stiles looks at him only makes him want to draw this out more. So he ducks his head to swallow Stiles down before pulling back slowly, dragging his tongue to tease at just the head, his eyes locked on Stiles' face.