" She ignored me and carried on massaging my member with her tongue and lips. I knew I wasn't supposed to be liking her oral ministrations, she was my...sister after all, but my dick evidently had it's own ideas. She stopped abruptly and sat up from beneath me. "This is awkward and uncomfortable. Lie on your back with your legs up." She told me. "Chelle." I protested. "Just do it." She sighed. A little reluctantly I turned over onto the bed and held my legs out of the way. "Good. Now I can get at. Now I wait, the minutes pass slowly as she reads and drinks and my knees begin to ache so I stop looking and sit back crossed legged listening. At last I hear the sound of water moving, splashing and the sound of naked skin sliding on plastic in a flash my eye is back to the hole, my mother is just about to get out, she stands, still with her back to me water and bubbles run down her back and on to large round buttocks bright pink from the warm water, she steps out of the bath wet leg dripping. I looked at her with my legs wide spread, my dress lifted up my waist, my thong aside and two fingers still buried deeply in my wet hungry cunt…My fingers were still sending shockwaves through my sensitive and throbbing clit, making me moan quietly. I did not smile this time. I knew Johanna was worried about me, after spending more than fifteen minutes inside of the ladies’ room.Bright red in the face I just muttered that I was sorry…But she smiled and said everything was fine for her…I noticed. Mister Big states that you can have your erotic enhancement muted temporarily to your previous levels if you agree to have your breasts further enhanced by one cup size. You have sixty seconds to decide.’ Shit. Another cup size?!? I was now an E-cup thanks to the earlier enhancement, and I was still trying to get used to them. One more cup size would put me close to utterly ridiculous. They wouldn’t be completely over-sized, but there was no way in the world anyone would ever take me seriously.