Listen

I lay back on my bed and closed my eyes. My head was spinning. As I lay there I heard my sister enter her room, shutting the door behind her. Our rooms were only separated by one thin wall and if I listened carefully I could easily hear what she was doing.

She walked around her room for a bit, I could hear her pacing. I also heard her giggle to herself quietly, she certainly was in a giggly mood today. After a while I heard her land on her bed.

I was about to get up and get changed when I heard my sister talk.

"Hey Tracy" she said quietly. I could barely make out her voice, she was basically whispering. "You'll never guess what just happened"

Tracy was one of my sisters friends from school. They were practically inseparable and spent most of their time together. Tracy was also really hot, she was one of the schools top cheerleaders.

"When I got back to the house I caught my brother" I couldn't hear Tracy's side of the conversation "He's a horny teenage boy with the place to himself, what do you think he was doing?…Do I really have to spell it out for you?…Fine, he was in his room, naked, masturbating"

I couldn't believe my sister was telling her this. Their conversation continued for a while longer before I heard something that got my attention.

"I just left him to it" she said "I don't know if he's still going…you want me to go and check?!"

I listened very carefully, aware that I was still lying naked on my bed. I started to come up with an idea.

"Y-you want me to go spy on him? Check if he's still masturbating? Well…I guess I could…what!? You want me to take photos! He's my brother! what do I get if I do?"

Tracyand my sister talked back and forth for a few moments before they finally came to an agreement. I could feel myself getting hard as I decided what I was going to do. I creeped over to the door and opened a little bit more, that should give her a good enought view. I couldn't believe I was going to let my sister see me naked again, but this was giving me such a rush. I silently climbed back on my bed as listened carefully.

"Fine I'll do it" my sister said "but you keep your side of the deal"

I began to stroke myself until I had a full erection again. I heard my sister carefully climb off her bed and slowly walk across her room. She opened her door slowly and I heard her footsteps in the hall. I closed my eyes lightly so that I could only just see the door.

I watched as my sisters figure appeared in my doorway for the second time. I saw her gasp in surprise before she started grinning like crazy. I kept pumping my shaft and by the way she was starring at it she must have been enjoying it. I had never felt a rush like this before and could already feel myself getting close as I let out an involuntary moan of pleasure.

After a few minutes my sister must have remembered what she came for as she lifted up her phone and I heard a soft click.