Handling four girls requires a skill born of long experience, the crop is not suitable so I had exchanged it for a light buggy whip, capable of reachi...g any of my girls, a soft tap to indicate my wish, or a harder lash, should it be needed. All four obediently followed my directions, oblivious to the gathering audience. Their concentration centred upon my commands and their instant obedience, all whilst maintaining their balance and posture.By the time I rested them, allowing each to sip cool. After she was gone Lisa just stared at the card until the doctor asked her, "What's that?" A card from your last patient. She... wants me to show up at her house tonight." Are you going to go?" I... don't really have an interest in girls." But are you going to go?" After a few seconds of silence, the doctor said, "I know. She's really hard to say no to."After the doctor walked away, Lisa tucked the card into her purse. She didn't plan on going to the woman's house, but, somehow, she. While he discussed some rather mundane topics, he was imagining himself getting up from his chair and walking towards her. Standing directly in front of her crossed legs staring down at her luscious body covered in the thin fabric of her bikini. He admired her tits, their proud nipples, and then down to her delicate thighs that were being held tightly crossed, attempting to hide her pussy. He knew, as he was standing in front of her, that she was fixated on his thick cock that had begun to. "You are...and you have got a fucking hardon," she said noticing the bulge in his swimming trunks."No I am not and I have not," said the embarrassed Ian as he got up from his sunbed and scurried indoors.The siblings did not have much more contact during the day but that night Ian wanked thinking of his sisters backside and Sharon had her fingers in her cunt as she thought of the bulge in her brothers trunks.Ian had no intention of furthering the subject but Sharon had other ideas. She was.