Spying on my sister leads to an embarrasing entrance.
OK, so I was sitting in my room listening to some music when I heard my sister come in with her boyfriend, Dan. My sister is 19, and has big C cup tits, a good figure, and long blonde hair. All the boys fancy her in my school, but I never really thought of her in that way before. We have seen each other naked before but never really taken much notice. She is called Shannon, by the way. I hear them come up the stairs, and go into her bedroom, laughing and talking loudly. Now, Shannon didn't know I was home because I said I was going to football practice after school, but had decided I was too tired. I took my headphones off, and was going to say hi, when I heard the bedsprings creaking next door.
"Put it in me, babe,” I heard Shannon sigh.
Then I heard Dan groan and then more creaking of the bed.
"Fuck, harder, babe, harder,” Shannon squealed, as she began to moan softly.
The creaks got much louder, and so did Shannon. She began to scream with pleasure, telling him not to stop, and trying to catch her breath. I was majorly horny by this point, and I know it was my sister, but I had a huge 8 inch boner sticking out of my boxers.
"Get down there,” I heard Dan moan, and the rhythmic squeaking of the bed stopped.
I assumed Shannon was showing Dan how good she was with that mouth of hers, because he was groaning and grunting away, and ordering her to go faster, because he was nearly done. Unfortunately, I was leaning against their door, and with my hand now on my bare dick, as it throbbed away, I accidentally pushed down on the handle, and fell into my sister's bedroom, as her and her boyfriend shouted in shock, and covered their sweaty naked bodies. And then..... If you want to hear more, leave comments!!!
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