There was no coercion, Mona was greedily gobbling away at his erect manhood and cupping his heavy black balls in her hand. They were both naked and ha... made no attempt to hide their bodies behind a blanket or quilt. I stood there transfixed. I had never seen a blow-job this close up before. I had to be honest, it was an erotic sight. Mona's lips had created a seal around the head of Mike's massive tool and were riding up and down his shaft taking as much in as she possibly could without. The doctor smirked and ran his thumb over Marks precum covered tip "That feels good, right?.." Mark nodded, biting his lip as his body trembled, "I know something that feels even better.. " The doctor turned around to a nearby drawer, returning with a bottle of lube "Lay on your back Mark.. Trust me." Mark slid back, laying against the hard table, he bit his lip and moaned softly, then he felt a coldness, the lube, being applied to his anus.. He jumped and looked at the doctor, who was intently. He rewarded her with another grinding body hug and deep throat kiss.When he released her, he told her that she would now see what was behind the locked door of the adjoining room. When he opened it she could see that the door itselfwas almost a foot thick and made of heavy wood. He turned on the dim lights. She could seethere were carpeted steps leading downward and that the lights along the walls were replicas of old fashioned sconces. The room was furnished like a dungeon from the middle ages. He continued to stroke her breasts, and began to kiss her face and neck. This was becoming a very interesting happening. As her hand was embraced by mine while laying on my thigh, she began to contract her fingers in a massaging movement. I smiled even bigger, and began to say "Ja, Ja, es ist sehr gut!" Apparently, that's all she needed, for her hand slid to the inside of my thigh and up to my crotch.Once she made contact with my crotch, she chuckled a bit - not a laugh, but seemingly an.