Stars ignited behind clench-closed eyes, as Jack hit just the right spot inside him. He shifted, so that Jack was hitting it every time, one leg wrapped tight around Jack's back now, urging him deeper. John's cock trapped between them as Jack leant in, the additional pressure, pushing John's arousal up yet another notch.
Jack's kiss finally shocked him out of the rhythm, and he arched up against it, crushing Jack's lips against his own, tasting blood.
His hands clenched hard on the back of Jack's neck, blunt nails digging in, as he pulled Jack with him. He dropped one hand suddenly between them, pulling once, twice at his own cock, slip and slide with sweat-soaked skin.
Suddenly, the world seemed to stop, stutter, and John came hard, shouting out Jack's name, come painting both his own stomach and Jack's, as he clenched down, and rode Jack hard through it.