His ass clenched down around Isaac's fingers when the werewolf finally spot teasing him and pushed the digits inside. Stiles' body milked the digits for a moment before he relaxed allowing Isaac to open him up further.
Stiles groaned and rocked forward, forcing even more of Derek's cock in his throat, as he heard what exactly Derek wanted out of this little threeway. His cock twitched and Stiles was so tempted to rub himself but he knew he would come if he did.