We got in a ‘69’ position with him on top. I sucked his huge dick hard and played with his arse. A bottle of After-Sun was on the bedside cabinet;...I made liberal use of this and soon had two fingers deep inside Sam who was sucking on my ball bag. “I think we’re ready”, he said and laid himself flat on the bed, I wanted you to see this and just as he lay down you and Jill entered the room in an embrace. “Are you really going to fuck his arse?” Jill asked amazed, she had her answer when she saw. "Will you help me?" she said in a helpless feminine voice that she had learned from her mother. He leaned forward and pulled her zipper down."Thanks!" she said breathlessly. She stepped out of her dress. She was wearing a white slip underneath. She stepped out of that too.Now she had her back to him and she was wearing nothing but a pair of tiny blue panties and a white bra. Self-consciously, her hands went behind her to unhook her bra. Her boobs fell out, suddenly released.She reached behind. Beside it was a large cloth covered object with a number of jutting extensions. He turned to the class, running his eyes over the class, he did a quick count, and all 24 students were present.'Right I see all students are present so we will get started immediately. This is Kelli; she has volunteered to perform as the experimental subject today. I expect all of you to conduct yourselves in the most professional manner during this special class exercise.'Turning to Kelli, 'excuse me for a moment,. It felt good to barely be able to get it in my mouth and i could make huge long strokes along his shaft, i didnt have to hold back at all. I sucked and stroked and massaged his balls and fuck i could not get this guy off! So i whispered through the hole "come in here i will get you off better" so without hesitation he came in and dropped his pants. I jumped at it and worked it so hard and as good as i could but my cock sucking muscles arent that strong so i told him i was getting tired...so he.