“Don’t stop” pleaded Stella but Ruth had a plan. Easing the dildo harness off Stella Ruth put it on. “Remember you said you would like a cock ...this big?” she said “well darling I am going to make your day”. Stella immediately spread her legs. “Yes take me Ruth. I want it so bad” and Ruth didn’t hesitate. Guiding the dildo into Stella’s still quivering sex she buried all 10” in one brutal thrust. The scream from Stella filled the room. Not pain but absolute pleasure.Ruth pounded her friend with. Theprofessors in charge of the experiment told us that there a newmedical technology that is allowing a quick and harmless change ofsecondary sex characteristics.But that's where my guts started to send me a warning. I don't reallytrust medics. And I would never trust medics with experimentaltechnology. I was standing there feeling uneasy even thinking aboutit. Growing breasts? Choosing a female name? Pretending to be a girlfor the entire semester? Not my kind of fun! I know that they weregoing. As per didi , jiju is very strong in sex…but we all was busy in our routine activity, one day i had got theinformation that jiju is coming to delhi due to some official work for a three four days.didi was not coming beacuse she has some urgent work in office…finnaly the day came , when jiju had came to our house. I was very exitted , because i was having the full time with jiju.jiju came in the evening, my mom and me both welcomed him. We chatted a lot on that day in dinning room…in the night,. I ignored her and continued to lick at her pussy, rubbing my nose against her clit and trying to force her legs further apart to gain better access. Her hands slowly moved to the back of my head and began pulling rather than pushing, her legs eased apart and I was allowed full unobstructed access. I began lapping at her in earnest sliding my tongue deeper and deeper and occasionally sucking her clit into my mouth. My thumbs were now prising her pussy lips apart as her hands pulled my face.