I really felt at home after a particular incident in the botany lab one Friday afternoon. Friday afternoons on campus was a dull affair wit... most courses scheduling this time for practical work. The tutors were in charge of these sessions and they made sure that the students were there on time and completed what had to be done. Tutors are postgraduate students busy with their Honours or Master degrees. They would use the students to do their research or lab work in these Friday. I lay back, and my sister leaned over and kissed my forehead. "Sweet dreams Mort" she said with a smile as I drifted off into a dreamless sleep.When I came to, it was dark, the middle of the night. I still felt awful. In addition to the sickness and headache, all my muscles ached. I looked around and saw my sister sitting on a chair across from my bed fast asleep. I decided not to wake her and quietly gulped down another bottle of the gunge and popped the pill, and it was back to. It was going to happen. I was going to get fucked in front of my husband and I couldn’t wait. My face was flushed and my body was trembling. My pussy was soaked in anticipation and my nipples were straining against my bra. I felt like a slut, but yet a wonderfully exciting slut.Once inside John’s room the situation became awkward. No one knew how to start anything. John excused himself to use the bathroom and Don said to me that I would have to start things or the entire thing might fall. Aggressive and like a real Mistress. So I certainly obeyed and got in front of her. She held the hatch up and I could look inside. There was a small room where one person could lie on some small but cozy leather board. “Undress” she ordered me and I could hear mum giggle silently behind me as I did as I was told. So after a few seconds I stood there, totally naked in this torture basement with those two amazing ladies. My cock had already grown and was almost hard again. “Now get your slave ass.