A Unexpected experiance

So it all started one day at a bus stop! I hadnt actually been laid in awhile and was being hit on by a woman a little more then a decade older then myself! Seeing as how i was in no position to be picky we traded numbers and parted ways! Later that night she hit me up for some late night fun so i went to her place and proceeded to fuck her brains out! Exhausted from our workout we went to sleep, a couple of hours later i figured she must be ready for another round because she kept trying to suck my dick but being so tired i just kept nudging her away. I guess she got tired of being denied because it wasnt long before i felt her ever so gently climb ontop of me and slide my now engorged dick into her hot moist pussy! Still half asleep i started matching her thrust as she slammed herself down harder and harder onto my now throbbing cock! Starting to wake up a little from how good it felt i reached up to play with her tits, but something wasnt right! The tits i played with earlier were large, these were smaller by far and firm! I opened my eyes and froze, the young girl who was rather enjoying my massive member being inside of her was someone i had never even seen before! She must have saw me open my eyes because she looked down at me and smiled then placed her finger across her lips and quietly sushed me, she then leaned over and whispered in my ear, " dont wake up my mom she will probably freak out about us fucking! " i didnt know what to do, but i did know that whatever this was that was happening felt way too good and i didnt want it to stop!! She was almost too tight, and i could tell by the look on her face i was hurting her but she just kept riding my large dick like it was a bucking bronco in a rodeo! I couldnt hold out any longer! I lost all controll and spilled load after load of my cum deep into her tiny slit as she slid up amd down so elegantly on my dick. Her face instantly changed to horror, " did you just cum in my pussy? " she panicked!! " im not on birth control " she whined as she jumped off of my dick and tryed to finger my cum out of her pussy. I whispered to her that i never fuck without a condom, if i had been the one to stick it in her i wpuld have put one on, but seeing as how i was asleep when she slid my dick into her pussy so was unaware it was bare! She went to her room after and we didnt talk about it! I ended up marrying her mother, who still to this day is unaware that her grandson is actually my son or that i still fuck her daughter all the time when she comes to stay the night, and everytime she climbs into our bed and slides my sleeping dick into her still so tight little pussy!! And everytime now she rides my dick until i fill her tiny pussy with cum at least now shes on birth control! And to think it all started at a bus stop with some unexpected fun!!