Erin’s petite frame was draped over a sawhorse, arms and legs tied down and her stomach resting on the horizontal bar. Her backside was a deep shade...of crimson and small welts covered the insides of her thighs. We were staring directly at her bum, and from her awkward position, she was unable to look at us. “Have you learned your lesson, Erin?” Our landlady asked rather loudly. “Yes, Bridget!” Erin’s voice sounded strained. “I’m sorry for breaking the rules.” “Good.” She approached my roommate. ‘You’re terrible,’ she laughed knowingly, bumping me with her hip. The sleeping bag never got a chance to dry out. We spent the rest of the day snuggled up inside it, and made love twice more before falling asleep that night. The faint sound of diesel engines woke me the next morning. I slowly became aware of Katie snuggled in tight against me, her hair in unruly tangles across my face. Brushing the web-like strands from my mouth and smoothing them over her head, I let my eyes focus on the seam. This afternoon everyone was going out, so I thought I would be able to spread my legs and play with myself to my heart's content, and make as much noise as I wanted.As soon as I saw the last car pull out of the driveway I was on my way. "Where should I do it?" I wondered. I masturbate in my bed most every day. That's a fine choice. Of course, I also love to play with my pussy at my desk upstairs, which I often do when I'm writing my fuck stories, replying to emails and looking at porn on my. I knew they weren’t up and running yet as I had just looked at an invoice for equipment they needed, but I wanted to see what they were doing. While we had talked about her work, I never saw Mom’s old lab or what she really did during the day.What I did not expect to see was Vicki getting into her car in the parking lot.“Surprised to see you here,” I said as I walked up to her.“My dad had to go do something, and I needed to get out of the house. Being cooped up there is really starting to drive.