Klaus keened when Bill's hand wrapped around his throat, he might have just come but he certainly wasn't immune to that kind of pleasure and he groaned lowly in the back of his throat while Bill thrust into him just a little bit faster, just a little bit harder as he praised Klaus so wonderfully.
And when he did finally give in to that driving need, Klaus wrapped an arm around his broad shoulders, fingertips teasing along the base of his skull, clenching around him to draw out Bill's pleasure in the same way that Bill had drawn out his when he'd pushed him to a climax.
"Christ," He breathed out slowly shaking his head and nuzzling against Bill's temple, "You are exactly what I needed."