She walks by me says hi and I don't know maybe it's just me but it's how she looked at me. I have always watched how her big tits bounced as she stepped the sexy high heels she always wears . My mind can't even imagine how big her areolas as and nipples . She stands about 5'5 a BBw with sexy face and huge fucking tits . It's time I make my move and ask her to stop over for a drink . 

 

It started getting dark out as we st and the drinks made me more comfortable.i couldn't help but stair at her tits as she talked .my dick swelling so much I could feel my pants pressing it to my thigh and the heat of my dick turning me on even more as I try and pay attention to what she says .using my hand to cover my hard on I can't help but rub slightly on my swollen cock.thaughts running through my head about what I want to do to her.

 

All in one moment things started to change as she noticed my hand rubbing the thigh of my jeans where I hide my swollen cock . She says what are u doing with a look of shock on her face ...umm shit sorry I think the alcohol hit me is all I say to her . With out looking up I hear her say this can't be cuz of me I'm your stepsister we grew up together ..

 

I couldn't hold back stuttering I say I've always felt this way what is the big deal I've always looked at your big tits and wondered .would it hurt if you're lil step brother jerked off no one would know.and that's when I went for it pulling out my swollen hard dick precum forming at the tip and sat across from my older step sister and started jerking my cock off .her eyes kept looking and she kept saying stop  . 

 

My hand wouldn't let me stop I asked is it that bad I can see u licking your lips .can I see your big sexy heavy tits .to my surprise my step sister pulled one out . The sexiest  tit I have ever seen as she rubbed it and pulled out the other .i sat and jerked off for her as she rubbed and pinched her nipples .....