"To the left," I replied with an equally straight face. And then as Helen touched the tape measure to the inside of my left thigh my cock twitched rig...t in her face! And it wasn’t a subtle twitch either…“Oh god, I’m so sorry,” I apologised in a rush while desperately hoping the ground would open up and swallow me.Cool as a cucumber Helen didn’t say a word and carried on noting my inside leg measurement on her pad on the floor by her right knee. “Right,” she stated in a very matter-of-fact way,. She rotated herself to face down my body with her head over my cunt. Her fingers rubbed between my lips, spread them open, pulled on them and squeezed my clit up and out. She was having a full uninhibited exploration of me and I wished I had been bold enough to do it to her. Next time, I promised myself. She settled into a circular rubbing and then into a long stroking between my lips and over my clitoris. I was rising fast and leaking lube down my arse. I needed more and rolled my. I will try to satisfy you to the fullest.Saying this, she pulled down my shorts and started sucking my dick.Me: Janu, suck my dick. I won’t be able to release until you suck me roughly and dirtily. As you know, that’s how I like it.Simran: Over so many years, you have made me a slut (she winked at me). I know what my husband likes. (and she starts deep throating me).Saliva was dripping from her mouth. I took the glass of water that was next to me, drank all the water and started collecting her. Mom reached up under my sister and started rubbing her clit hard, using our sex fluids to lubricate her fingers. This caused my sister to moan loudly and I could feel a river of girl cum pour out around my cock and down my thighs. Her orgasm went on and on as my cock continued to twitch and throb inside her, causing continued shockwaves of pleasure to penetrate through her body. I slid my hands around on her back and sides, soothing her through the final waves of her violent orgasm. Finally.