I use to rub my cock between my sisters butt cheeks until I cummed

When I was a teen that was barely hitting puberty that I started to watch porn, when I first heard about in school so it made me curious on what it is so I looked it up and I swear to God that I do not regret one second of watching porn. Here’s the story:

One night watching while watching some porn until my cock felt like it might burst out of pajamas at any second so I stop watching porn before I break my penis from all the sex videos I been watching

As a kid and even as a young teen, my grandma would let me and my little sister sleep in bed with her. To ne honest my littlle sister is a cute, short petite girl with a pretty face. She was also starting to hit puberty to where her breast were getting bigger and bigger, even her cute petite butt was getting bigger and more sexy as well. I even still sometimes find myself staring at her jiggling cute petite ass as she walks away but anyway as I lay in bed with a raging boner with my my sleeping and snoring grandma and my little sister sleeping while I am wide awake constantly thinking about all the porn I watched and thinking about how hard it my made my cock that I for some reason find myself wanting to ease my cocks frustation on something soft, I lay there thinking about how I can fix my massive throbbing cock frustation, thinking what I about what I can do until I think about my little sister who presumably passed out like a rock while I laying on her stomach face down into her pillow. She was fast asleep, snoring and obviously in deep sleep. I look at her body and just thinkimg about how hard it made my cock, looking at her body soaking in alll of her beauty that I find myself looking at her butt and thinking about what I can do to that ass. My cock is already bulging to the point where it begins to kind of hurt, I look at my at my massive bulging pajamas that makes it look like my cock wants to be freeed from its imprisonment, I look at my sisters cute petite ass that is covered up by her pajamas that look soft and warm for my cock to rub against, as I look at her butt it makes me feel so horny that I sit myself up and start to move towards my sleeping sister, I get close to her and look her over to make sure she was asleep, I even made sure my grandma was asleep to, satisfied I place both my hands on both opposite sides of my sister so I can my steady myself as I slowly move my legs to get into a comfortable position behind her. I take one last look at my sisters cute butt as I hover over her, until I find myself moving my massive cock that is bulging from my pajamas towards her butt, the feeling was incredible once my cock made contact between her butt cheeks where I presume where her vagina is, the feeling was so great that I even had to force myself to hold in a moan as my cock landed on a good spot on where I presume her vagina so I wont wake up my sister or grandma, I move my cock and hips a little and thrust a little more on her soft pajamas that made the feeling even more incredible, more plessure came from the incredible feeling from rubbing my cock against where her vagina is, moving my hips and thrusting my cock forward again on her vagina that I feel even more pleasure, I thrust more and more making my cock rub against her vagina spot hard, I rub my cock against her vagina harder and harder, my cock is starts to feel stiff as a rock as I keep rubbing my cock harder and harder betwen her butt cheeks, with each thrust and rubbing that good spot that I find myself starting to feel like as if i’m in heaven, the pleasure of this is starting to get more intense as I keep rubbing harder, all I can think of how incredible this feels without even caring if my humping wakes up my sister with my constant humping, I make one final thrust until I start to feel something warm shooting up my cock, I hold still for a second as my cock starts to explode with cum inside my underwear and pajamas, my cock keeps cumming to the point until I collapse on my sister with my cock still rubbing against her and cumming hard, I keep moving my cock between her butt cheeks until the pleasure ends, my cock finally stops cumming, feeling so tired and exhausted while I lay on top of my sister finishing off my final thrust to make sure my sisters ass takes it all. My sisters moves a little under my body that i’m starting to fear that I woke her but to my atonishment she was still fast asleep and snoring like a baby. Satisfied I slowly raise myself off of my sister until i’m laying right next to her with my cock still throbbing and slowly getting smaller and smaller until it was back into its normal size. I lay there thinking of how incredible that felt and how amazing the feeling was from doing that to my sister. I lay there thinking ” I should try that again ” I smile and then find myself with my eyes getting heavy with sleep, slowly drifting off to sleep with my final thought of how great that felt.

I have continued this until it became a nightly thing by the way and noone, not even my sister knew what I was doing.

I am now 21 years old and my sister is now 18 years. I stopped doing that thing I was doing to her years ago but I still do think about it and just felt like sharing this story.

Hope you enjoyed the story 😊

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