The In-Laws – Part 1 – The Sister [NSFW] [Fantasy]

Not long after getting into bed, I decide I need to use the bathroom. We’re staying at me in laws and my wife has already drifted off to sleep.

I creep out of the room and across the hall, passing her younger sisters room, with the door slightly open.

As I quietly pass the open door, I hear a soft moan, which stops me in my tracks.

“Mmm”. There it is again.

Curiosity gets the better of me, and I decide I’m too much of a pervert not to look inside.

My sister in law is a hot blonde with huge tits and a great ass. She’s also (from what my wife tells me) a slut.

As I peer through the door, through the darkness, I can see her bare legs, with a black lycra thong wrapped around her left ankle. Almost as if she couldn’t wait to get it off and pleasure herself.

I look further and see her hand between her thick thighs. She’s pushing two fingers into her tight, wet pussy. I can hear it.

Then I see her face. Eyes closed, mouth open. Complete bliss.

Without even realising, I’ve got my cock in my hand. I’ve fantasised about my sister in law before, but seeing her pleasure herself is something else.

As I adjust my boxers and pull my cock out, I move slightly and the floorboard creaks…

She’s immediately startled and see’s me. At the door. Staring. With my cock out. I’m frozen to the spot.

She stands up, wearing nothing but a black vest top. I can see her perfect curves, her erect nipples, and her immaculately smooth pussy. I can’t move.

She slowly walks towards me, not breaking eye contact, and grabs me by the face. Then she puts her fingers in my mouth, making me taste her. She tastes phenomenal. So sweet. I need more.

Then she whispers to me, “do you taste as good as I do?” And pushes me out of the door back in to the hallway.

She again walks towards me, pulls her vest down revealing her incredible tits, and drops in front of me to her knees. Again, not breaking eye contact.

Then she slowly slides her mouth over the head of my cock, placing her hands on my thighs. Her tongue is swirling around, making me squirm.

Then she sticks her tongue out, and starts slapping my cock against it. I knew she was a slut, but I didn’t know how well she could suck cock.

After licking the full length of my shaft, she slowly starts easing it in to her throat.

Now I’m not the biggest guy in the world, but I do have a fat cock. I loved watching her struggle to force it in. She wasn’t going to stop until she’d taken it all.

I decided to help her out, grabbing her head and shoving the rest of my cock into her mouth. I continued to thrust it in and out, using more force each time as I fucked her mouth.

She was gagging and coughing, whilst drooling her saliva everywhere. I became worried we might wake the rest of the house, but seeing her a sloppy mess with tears rolling down her face, I had to carry on.

I began fucking her face much quicker, I was ready to burst.

I saw her hand was back between her legs as she was rubbing her pussy again, whilst sucking my cock like a champ.

She was so good. So fast. So wet. I couldn’t contain it anymore.

I pulled her by her hair, off my cock, and positioned her ready to unload on her pretty face.

The second I have blown my load, a bedroom door opens.

My mother in law switches the light on, and finds me still with my cock in hand, standing over her kneeling half naked daughter, with her face covered in my cum.

To be continued.

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This is my first post and first story I’ve written, so I’m pretty new to this.

Feel free to PM me if you want to discuss this further, or you have any suggestions/ideas for future stories.