Stiles moaned when Derek bit hard on his neck knowing that the werewolf was marking him. The teen was starting to really like seeing Derek's marks on him when he looked in the mirror. He knew they meant he was Derek and Stiles knew now that Derek would look after him.
"Oh god. Yes." Stiles wasn't ready to move but the thought of Derek coming in him again made the teen move. He got up from Derek's lap and moved to lean against the wall. His cheek and shoulders rested against the surface as his hands moved to his ass and spread his cheeks for Derek. "Like this, Master?"