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Cumming With Sis

Posted by: Author: Age: 53 Posted on: 21 comments
16 likes 1915 views Category: Masturbation Male-Female Tags: panties

This happened when I was 17 and my step-sister was 14. I had had sex with a friend's sister before this, but had not been able to cum. Anyway, this time a bunch of friends were over at my parent's house and we were all hanging out in my room. My younger step-sister joined us and just sort of sat in the background. It got late and people drifted off home, leaving me and sis. She said good night and left the room. I was looking at a Penthouse, rubbing my cock through my jeans, when I heard my door knob turn. I ditched the porn mag, just as sis came in dressed in a bathrobe. We talked for a few minutes and then she excused herself again. I thought something fun might happen, so I stripped and lay down on my bed. I stroked my thick cock a bit and got a raging hardon. Sis came back into the room and when she saw my cock, her eyes just about bugged out of head. I was really unsure about what she would do. She smiled, and pulled off her bathrobe. She was wearing only a pair of green polka dot panties. Her titties were small, but had very pretty, prominent nipples. She climbed onto my bed. We kissed awkwardly for a few minutes and I pulled at her panties and she willingly raised her hips, allowing me to get her naked. Sis then reached down and grasped my cock. She just held it, not moving her hand at all. Desperately horny, I wrapped my fist over hers and pulled her hand up and down a few times. I removed my hand and she kept up the jacking motion, but she was obviously inexperienced. Her strokes were overly rough, pulling hard at the top and kind of slamming down at the bottom. I didn't say anything, afraid she'd stop giving me pleasure. Her technique soon proved to have advantages. Several times, when I was on the verge of coming, her pull at the top of my cock cut short the urge to shoot my load. Finally, after maybe three or four minutes, I felt my orgasm rising and moaned quietly into her ear, 'Faster!' She immediately sped up her stroke, and once a gob of pre-cum came out of my cock and got spread all over my meat by her jacking motions, it was game over. I came incredibly hard, shooting jet after jet after jet of thick, steaming cum over her titties, belly, cheek, hair, and the pillow. I never shot so much in my life and I've been a very heavy cummer since I started ejaculating. I lay beside her, utterly exhausted. Sis then grabbed my cock again and started jacking me once more. This time her grip was absolutely perfect-no tugging, just a smooth, gentle, yet relentless stroking. I lay back, enraptured by the feeling of control being exercised over my still raging hard cock. Finally, I came again, shooting a big wad on her belly that just missed her pussy. I was drained. If the house had burned down, I couldn't have moved to save my life. Sis started wanking me again, this time with an extremely tight grip and a furious motion. It was almost painful and I was thinking of making her stop, when I felt another cumshot rising within me. I managed to pop a few more drops on her hand and my own belly. Although I was pretty much dry, the horniness of the whole scene made for another intense cum. Sis then got on top of me and rubbed her cunt against my hip bone. She humped back and forth for maybe thirty seconds and then came hard herself. She wiped my cum off her body with her bath robe and left the room.

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