We continue to fuck until she says she's close to cuming once more, I tell her I'll hold off until she's ready & will come with her. She starts finger...ng her clit as I fuck her deeply whilst rubbing & sucking hard on her tits once more. She says she wants to feel me explode into her young pussy. She's nearly there & hands me my poppers which I then take feeling the blood rush to my head as I also feel the familiar tingling sensation rising from my balls as they slap against her hard. 'I'm. Then I felt his hard cock press against my ass as his lips kissed my neck."I need this! You have no idea how bad I need a fuck, Cassy!" He moaned as he turned me around.Then he seemed to hesitate. He started to push me away. I knew he was about to walk away. I was on verge of panic as I pulled him back to me."What's wrong Zack?" I asked trying to hold him."Cassy I really want to fuck but you might not be the right person." He said quietly.Tears formed in my eyes! He was rejecting me! My worst. Tom, mybrother the rapist, who had used me last, suddenly broke away from thegang and ran back to me.'What now', I thought. My younger brother knelt beside me, lifted myhead and gave me a soft passionate kiss. He whispered in my ear,"Thanks most exciting experience of my life Sis," he whispered.I lay there and couldn't believe what I had heard. He knew who I was!He called me 'Sis'!"Well I guess you are now my older sister now, instead of my olderbrother; tomorrow you can you can show me what a. Don't even THINK about getting off the bed. Apart from anything else, there's a mean, nasty, hairbrush-armed criminal on the loose." -- I got some chuckles, which I probably shouldn't have gone for, as I was trying to build a scary mood, so I added, "I mean what I say about not moving. Hang onto each other, and DON'T move."By now I was in position. I turned to face Dad, and started my demonstration. I was going to pretend that blobs were sentient, as that was far more scary and made all sorts.