Spinster Aunt

I Gordon 24 single and live with my divorced mother Carol 42, I'm her only child. My mother youngest sister Joanne 35 is single and a spinster according to Carol. Never been fucked or in any relationship with a man. She is a quiet person who works in a university library as a researcher. She tracks down any books or papers the professors want, even from outside the university library. After my father left, Carol asked Joanne to move in with us to help with the costs. This suited Joanne as she would a lot closer to the university than before. After she had moved in, I noticed that she never went out on dates and hardly went out at all at night. Excepting family events, I work for the local bus company as a mechanic. I would sometimes have lunch with Carol as she works in the company offices. Joanne dresses very conservatively and barely shows any part of her body. Carol said one day That she would like to see Joanne's first fuck. I said How do you know she hasn't been fucked before. She replied She told me she had never been with any man. I trying to be smart asked How about women is she a lesbian. No she hasn't been in bed with a woman either and she claims not to masturbate. I said Well you probably won't ever see her fucked then. I had already fucked my mother Carol after she got drunk during the divorce proceedings and we still had the occasional fuck. Carol said How about us seducing Joanne and you fucking her. I don't know how I could get her into bed I replied. Not You Us, your cousin Rebecca is getting married next month and we're all together and staying in a motel for the wedding weekend. I know that the motels are fully booked and we have 2 rooms booked. If I cancel 1 room and you'll have to stay in the room with me and Joanne she added. But she knows that we have 2 rooms booked I said, so tonight while I and Joanne are the lounge you ring my phone and pretend to be the motel and say due to booking error they are double booked and we can only have 1 room she said. Okay that's what I did and in a deep voice, just incase Joanne could hear the conversation. Joanne wasn't too annoy about having to share their room with me. Then the next day I asked Carol are we going to get Joanne in to bed with us. By getting her drunk Carol answered. She doesn't drink I replied, We'll spike the punch or whatever she is drinking Carol answered. On the wedding weekend we all settled in our motel room on the Friday night before wedding. It was late and we had a meal at a diner than back to our room to sleep, it had been a long day. Got up early packed the car and then worked all day then drove 3 and a half hours to the motel. Next morning Carol and Joanne went to Aunt Rhonda's house to get their hair done. At 1 pm at the church, 3 pm at the reception and Carol and I spiked Joanne's drinks. We had to spike each one as the children were also drinking the same. Over a couple of hours Joanne got drunk, she wasn't drinking all that much. Around 8 pm Carol told Joanne That after the bride and groom left we would all head back to the motel. Just after 9 the bride and groom left, we said our goodbyes and returned to our motel room. Carol and Joanne went into the bathroom and I laid on my watching TV. After about twenty minutes I got up to see what was taking them so long, I knock on the bathroom door and a minute or so later. Carol called me in, I entered and saw that they were both naked and Carol had Joanne's face pressed to her pussy. She told me to get naked and I did and then she got Joanne to suck my cock. After a bit we took Joanne back to a bed and while Joanne laid on her back, Carol went down her and after a bit she told It was time I fucked Joanne. Which I did, Carol filmed it on her phone. I blew my load inside Joanne and later fucked Carol beside Joanne. In the morning I wanted to fuck Carol again, but told me to Joanne again. Joanne was still a bit drunk and let me fuck her again and again I blew my load inside her. None of us thought about Joanne getting Pregnant. That was 7 months ago and Joanne is Pregnant and isn't worried about having my baby. The three of us regularly sleep together now, the rest the thinks Joanne's had a boyfriend who cleared off on her getting Pregnant.