How long have I been here?My hands are numb. My arms are one large bundle of pain extending to my shoulders and back. Once again I push myself up, sta...ding on the point of the platform, relieving the stress and cramping. I wriggle to the side, trying to find a place or position to place the strain on other muscles... to relieve the horrible pain. Its useless, but I try anyway.Before my face something appears. What is it? It takes a moment before I realize that someone has brought a sponge on a. “Thanks, you’re the best sis a brother could hope for,” and pulled my pants up on my way out.Lying in bed later that night, I couldn't stop thinking about my sister. What if she’d wanted me to help her cum but, because our changed relationship was so new, she just couldn't bring herself to ask for it. What if she was in her room, pounding her pussy right now, thinking about me? My cock sprang to rock hard life as I lay there imagining what it would be like to put my tongue in her sweet little. So she ask me to find her a safe place. I walked her to the tool shed where equipment was parked. She was a bit drunk and worried about falling, so she held on to me as she squatted. Hearing the water run from her made me need to go. I pulled my cock out and joined her. She grabbed my cock and she had quit peeing but held my cock and then the other hand. She played around and my cock got hard. I told her to be careful or she would have to get it down for me. she said thats fine with her, she. Shannon placed her hands on my ass and gently spread my cheeks apart. Asecond later I felt her tongue sliding down my ass working its way toward its final destination. At first she licked at my asshole tentatively, with short flickering movements, but soon began giving me long, lewd licks from the base of my balls all the way up to my tailbone. I looked back between my legs to see her hand back at work between her legs, so I helped out by reaching back and spreading my ass cheeks. Shannon.