So i came up to her and kisses her on the cheek and say thank you for having me for dinner, but just as i did there, she faced me, and we kissed mouth...to mouth. IT was accidently, but non of us pulled away or anything. There was a small silence awkward afterwards, but two wide smiles to make up for it. 'That...was great...' I muttered out to her as she simply smiled. She said she would call for dinner and to just wait for dinner.So i came back about 10 minutes later after she called, we all had. I did all of this in the dark and did feel my sister's foot and fanfasized about foot fucking her too. I took my pants off and got naked, put foot fuck cream on her foot and slipped my cock into the bottom of the stocking sliding it up so that the head of my cock was visible pressed against her soft heel.Now I start to slowly foot fuck and of course chant under my breath,'foot fuck...feels so good to foot..fuck'.I guess I didn't realize how loud I was moaning, I looked where my sister K was. " No John please, don't." " This lesson is not optional!" I snap back as I tug her arm sharply. " You will have to learn, I will show you!" I drop my head to her chest, licking her nipple then I suck harder than she thought was possible. " OWW! JOHN! THAT HURTS!" She screamed and swung her free hand towards my head before I caught it in my other hand and pinned them both together tightly behind her back in my one hand. " Good!" I snap back as my mouth moves from breast to breast, biting them,. I was in the general area of an Ex-girlfriend of mine, one that I had not seen for ages and something just came over me, a desire to find out if she still lived in the same house, and if so, how she was keeping?It was a bad decision. Or was it?I had always thought of her from time to time, simply because I believed, just as we were breaking up, that I had understood her. Over the years, I had mulled events over in my head, but my head kept telling me that it would be nice to know for sure.I.