"Can you be quiet, Zi? Will you keep it inside as I finger fuck you? Your sister, in the next room. Just a door away, and you know how noise carries in this place. Will your moans wake her? Will she come padding out, half asleep, and see you like this? My fingers in your cunt, Zi, and your juice seeping out. What will she think if she sees you like this? What will she think when she sees you with my fingers in your arse?"
His words put me on edge, the element of danger exciting me further, but at the last revelation I stiffened, his fingers suddenly tighter in my cunt. It didn't stop him, and I took my cue & moved position to help him pot my brown. He continued his whispered dialogue...
"You want this, don't you, Zi? You want me to finger your arse until you squirt, don't you?"
I bit my lip as his finger circled & pressed against my starfish. With our fingers no longer plugging me, I was overflowing, my juice was trickling out and over my arse. I could feel him smearing it, gathering it on his finger, that finger circling my backdoor in slow circle, each time pressing against this taboo hole, each time sinking a little more of his finger in. In and out, he was finger fucking my ass, Even with two fingers in, discomfort was drowned out by pleasure.
"Do you know what, Zi? Even if she doesn't wake, after I've done you I'm going to do her. I know how she looked at me during dinner. You know too. You saw the way she didn't take her eyes off me. She didn't make a move, we're both guests in your flat, after all. But we both know she wanted to, don't we? You both wanted me, I could read it in your eyes. The two of you have shared so much, but you haven't shared a guy yet, have you?"
My breath was escaping in laboured gasps. I wanted to protect my younger sister, but I was too greedy for this. He was fucking me faster, and my fingers were drawn to my clit in a daze. An itch that needed to be scratched. He was making me helpless, my mind on one thing only.
"I'm going to creep into her room and slip into bed with her. She might stir, thinking it's her big sis come to keep her warm like in the old days. She might roll over, against me, feel my warmth, feel my... hard cock. I'll tell her the same as I told you, whisper that she has to be quiet so she doesn't wake you. She's not quiet though, is she Zi? She won't be quiet when we're fucking, will she? And you, will you answer her siren call then? Will you finally do what you've always wanted, sit on her face and present her with your still dripping cunt? Your little sis, licking your cunt as we kiss & I fuck her."
That did it. His finger, my fingers, those words, taunts and threats, they pushed me over the edge. I shouldn't, but I had to, I couldn't stop myself. I howled and gasped as it swept over me, felt a release from my cunt, heard my juice spraying. The bastard, he'd made me squirt like he said I would, and now he was going to fuck my sister. WE were going to fuck her...