Everyone was so excited to be able to fuck my sister. Four of the guys were virgins. Mary and I had found the perfect table to put the turntable on wi...h a pillow so that when she knelt on it that I could get my cock into her pussy without any trouble. The rest of the guys were about my height so it was perfect for all of us.Once again we guys got naked and took our normal positions around the table. Mary got on and gave herself a spin to see who got to go first. She stopped to my left so I knew. Betty almost tripped and fell at the curb and Ed grabbed her and helped her to the vestibule of the apartment building. With considerable difficulty Ed got Betty up the stairs to his apartment. She leaned against the brick wall in the stairwell while he unlocked the door. Ed walked into the apartment and continued into the living room. He turned and realized that the woman had not followed him. Ed walked out to the stairwell and saw that Betty had slid down the wall and was sitting on the floor. About midway through the lecture, I heard her phone buzzing and while I tried to ignore it at first, I had to look in her direction and ask her to please silence her phone.“It’s on vibrate,” she said, proffering a wink and asking, “Are you against a woman using a vibrator?”Several students giggled out loud. Her comment, which probably sounded harmless to her, was a bit over the top.“Miss Watkins,” I replied, “What you do in the privacy of your bedroom is your business, but here in the. I should tie a bell on it. I reasoned that I needed a break anyway, and what’s the harm?I clicked off my desk lamp and closed the laptop, leaving me invisible. There was a confusion of movement in the room, two people making bedtime prep. Cathy started to undress with her back to me. This time she unclasped her bra, slipped off her panties and hose, and turned to visit the bathroom. My heart was in my throat. It was just a glimpse but I saw it all — two proud breasts with just a slight jiggle,.