A low, possessive growl escaped from Derek's throat as he regarded Stiles, gaze intense, focused on the boy's tongue, the come dripping down his face.
Seeing his recalcitrant slave covered in his come, his curious, almost delicate tongue slipping out to taste, though he hadn't been ordered to, affected him more than the werewolf had expected.
"Lick it up," he barked, desire twisting low in his belly, cock giving a valiant twitch even as it lay spent. "Clean yourself up."