This is the direct continuation of "Phoned-in". If you didn't read that, I suggest reading it first so you understand what's going on.
*** **
After about two minutes of relaxing like that, he turned her on her back and put his face between her tits. She had two children and was not too skinny even before that, so her tits were rather floppy, but quite full and generous. They were also thoroughly wet with her sweat, now starting to cool off. He enjoyed it, rubbing his face on the underside of her tits before biting lightly on her nipples and licking all around the areolas. Looking upwards, he saw her smiling tiredly and questioningly at him.
"I want more". He said huskily.
"More?"
"Yes, one more time. I still want your hairy count. Just give me a few minutes to re-ignite."
From the shelf on the tiled bathroom wall, the mobile telephone was still transmitting the sounds of what was happening in the lab. Currently only grunts were heard, as presumably the professor and M's wife had settled into a steady rhythm.
Marianne, lying on her back on the dry tiles, smiled again, resigned, stretched her arms and laid her head on them so she could look down at him biting her nipples. Her ass still stung strongly, but she somehow liked the dull ache it was developing. After slobbering her tits, M trailed kisses downward across her small belly, into the hairy bush of her twat. He seemed to enjoy rubbing his face on her, as he treated her crotch much the same as her tits: pushing his nose, cheeks and mouth around her bush, and further down, between her legs. She knew she was very wet from her come, and knew he must feel it too. But she didn't feel self-conscious. After a thorough fucking like this, everything was ok.
He felt her juices coating his face, getting into his nose, the pungent smell exciting him and making his mouth water. He lapped it up and felt her slowly producing more, becoming aroused again. Smelling something more, he raised his face to look, and saw sperm leaking from her well-fucked anal opening. As he returned his mouth to her loose lips, he brought his right hand up and slowly pushed a finger in her ass. It slid in smoothly.
"Hmmmm" she said, like she has just mouthed a tasty chocolate bite, and he felt her sphincter squeeze his finger, then release so he was free to slowly push it in and pull it out. He continued the motion while talking.
"You know, you never did tell me what the professor has over you? I know you are not fucking him for pleasure."
"Weeeell... didn't Tania tell you?" she sounded reluctant but not too much. She already surrendered to him completely anyway. What's another lever to bend her over?
Tania, currently bent over the lab table and being ass-fucked by the professor, chose that time to complain, grunting as she did:
"Isn't...this ...enough? Others will...hhgg... soon... be back. Ughhh! We have to... quit."
The professor's voice sounded strained, like he was exerting himself to the max.
