Seeing I was laid in bed she then entered the room, closing the door quietly behind her. Sex So here I am staring at my bedroom ceiling with another erection that I know will be a permanent fixture if I don’t get my head around my damn sister. I gave mum a kiss goodnight and thought it best to leave now as Chrissie’s braless nipples were straining against her shirt causing a bit of a stir in my shorts so I headed up to my room, but not without seeing one last flash of her bum as she lifted her shirt briefly when mum wasn’t looking. Seeing I was laid in bed she then entered the room, closing the door quietly behind her. “We do get on mum” I replied, “it’s just that she’s an old cow now and then!” I said pulling a face at Chrissie. “Well now I have one of you naked as an insurance too!” she said with a little laugh. “That’s it Steven, fuck my tits” she said whilst giving her own nipples a pinch. Mum had even asked me if I was OK as I had a ‘weird smile’ on my face as if I had been up to no good, but I convinced her I was fine and had behaved – something that Chrissie had confirmed,
