“I’m going to help you feel better, Sis,” I tell her as I push my middle finger up inside her slippery, wet pussy. I start rubbing circles on her clit with my thumb, which is still wet from her juices.
“Oh god! What are you doing, Jack? That feels incredible.”
“This is nothing compared to what we’ll do when we have more time. Tony isn’t the only one who shouldn’t have to jack himself off. You deserve your sexual release as well.” I’m not sure she’s hearing me because she’s moaning so loudly and moving up and down on my hand.
I watch her tits bouncing and remember what she had said about how she liked Tony pinching her nipples. I reach up with my other hand and begin massaging her right tit. Pinching her nipple between my thumb and index finger, I squeeze a little. She starts bouncing faster on my finger and I’m having trouble keeping my thumb on her clit. I push my thumb a little harder against her clit and just move it back and forth really fast, while she rides my finger. I pull on her nipple, pinching it and stretching it out as far as it will go. I can tell she’s getting close. I switch to her left tit and do the same thing. I manage to push a second finger up inside her pussy, while she keeps bouncing up and down as hard as she can.
Suddenly, she stops moving and I feel her pussy clamp around my fingers, pulsing in and out. It’s like I can feel her heartbeat through her pussy walls. She grabs my hand and holds my thumb still, while she pushes down hard on my soaking wet fingers. I let go of her tit and reach my hand around her back, pulling her down on me. She collapses on my chest with her head on my shoulder and my fingers still in her sopping, wet pussy.
She just lies there, catching her breath. With her naked body stretched across me, I move my hand down to her ass and gave it a gentle squeeze. All my fantasies are coming true. I’ve played with her tits, finger fucked her pussy and even shot my cum in her mouth. What an afternoon, and I have Tony to thank for it. But I think he’ll be the one thanking me before this is over. I look at the clock again and begin pulling my fingers out of her pussy.
“Not yet, Jack. Please leave it there for a little longer,” she pleads, squeezing her legs together to trap my fingers. “That was amazing, I didn’t know anything could feel like that. You are the best brother ever!” She lifts her head and starts kissing me. It isn’t a sisterly kiss, either. She’s pushing her tongue in my mouth and rocking her body slightly up and down so that her nipples are lightly scraping across my chest and my fingers are sliding in and out of her slippery, wet pussy.
“Lisa, we really don’t have time. I’m sorry. I’ll make it up to you tomorrow, I promise. You don’t want Mom finding us like this, do you?” I take my fingers out of her pussy and kiss her hard. Then, I push her back and slide off her bed.
“Let’s put our swimsuits on and get in the pool before Mom comes home.” I figure the pool will help us cool off and get rid of the smell of sex.
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