However, when I got there the only person in was Karen, apparently Sandra had been press-ganged into helping her Mum with her younger brothers, and ha... gone off with her Mum and the two boys on a school trip for the day, and Dad was at work. Sandra couldn't let me know as they didn't have a phone, so had asked Karen to relay the message and her apologies."You might as well come in and have a cup of tea, having cycled all that way." Karen smiled as she stood back and let me into the house.Karen. And just as I am about ready to explode, I pull out, take her by the hand, turn her around, guide her to her knees, and put my cock into her mouth. I barely make it in time, as my cock starts firing molten bursts of cum into her mouth. She struggles for a moment to collect and swallow it all, but gets the job done, the entire time, her sexy fingers holding my cock, caressing my balls, and sexily playing with the shared wetness from our actions..“Now sit up here, and cum for me. Do whatever you. "She did as I had instructed and I placed my hand on her arm as I guided her into the store. She seemed a bit tense at first entering the store, but with only one other customer she began to relax after a brief moment. She seemed to be enjoying her exhibitionism after a while and was preening and lightly prancing around as we waited for our order to be prepared. We took the chicken and left.Arriving back at home, we ate the chicken while watching deep-throat videos. Most of them were just a. ..” My little sister stared at me in awe. “You just took charge of her. She wasn't Mom any longer.”“What was she then?” I asked.“Your woman.” She swallowed. “Like me.” Then she darted her head down to my lap and sucked my softening cock into her mouth.I got real hard, real fast as she suckled on my dick.I groaned and leaned back on my hands as my sister gave me her first blowjob. She sucked Mom's tangy pussy juices off my dick. I groaned and smiled. This was a hot treat. My little sister nursed.