In typical fashion of his irresponsible nature, Katie’s boyfriend had forgotten to bring a condom with him to the only unchaperoned hour they would have together during the evening. So she informed him that he would just have to pleasure her with some digital manipulation - a safe, little finger fuck.
While the effort that he was making with his unskilled fingers was certainly appreciated, Katie quickly realized that this type of penetration would not be nearly enough to satisfy her craving during their solitary rendezvous.
Her boyfriend wrongly assumed that it was his mere presence, and rhythmic insertions that were making her so wet. Katie knew better, of course - this was merely the extra lubrication that she always produced when she was ovulating.
Katie hesitated momentarily before she allowed this to go any further, quite aware of what she would risk by allowing him to stick his young, bare cock between her swollen lips. But eventually she couldn’t resist the urge to experience his fullness again, even without a rubber. And besides, we may not get another chance to be alone like this for awhile, she convinced herself…