The teen's tight grip slides along her lengthening shaft, pre-cum beading at the tip. Her domme watches, enthralled, as the teen's body tenses, her hips bucking slightly. "Not yet," the mistress commands, reveling in the teen's struggle. She leans in, whispering filthy promises, her breath hot on the teen's ear. The teen's hand moves faster, her grip tighter, desperate to please, but holding back until the mistress gives the final, tantalizing order.