This way if she woke up she would think I was just restless and not aware of what I was doing. The next night when my mum fell asleep I wanted more of...the same. We were lying in our usual spooning position (me cuddling into her back and ass) but her nightie was too low. I ever so gently started to pull it up exposing her nice fleshy arse. To my surprise and delight her position shifted. She was lying on her back and her nightie was up round her waist, legs slightly spread. My hand went straight. "I like holding your tits and teasing the nipples. They are so hard right now. Does this make you wet? I know you must be wet. Tell me."Again, she didn't respond but felt a hand move from her right breast and drop to the bikini bottom and slowly push down between the fabric and the skin. "If you won't tell me I will have to find out for myself," he whispered as his lips brushed my ear. His other hand was still on the hard nipple and she held her breath knowing what he would find. As the finger. I had a spare condom and he did too so we put it on and started fucking. I fucked him first. I fucked him like he was my bitch and he rode my dick like one too. His ass was so bubbly that I couldn’t take my eyes off his butt. His dick rose and rose slowly. He cummed while I was fucking him in the ass and he started massaging his penis with the cum all over his dick and I could feel his ass getting tighter.We had each others holes very well lubricated. I fucked him for like 10-15 minutes in. There were seven of us in the group. All of the others were about fifty yards away in the water enjoying the waves. I was enjoying Sarah. I lay back on the towel and closed my eyes. I was hoping to have a nice daydream about Sarah. I began thinking of different scenarios in which we may find ourselves alone. I must have drifted off. “Michael?” I heard a voice call my name. I thought it was in my dream. “Michael?” The soft voice said again. It wasn’t in my dream. It was Sarah. “Sorry, I.