All characters are 18 years and older.
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My older sister and I have been roommates for about two years now. She and I share a house and we have always gotten along in relative peace and harmony. Even as kids growing up, aside from the occasional brother sister spat, we had a normal sibling relationship. Now in our adult life and being roommates, it's been pretty easy to live with my sister.
In the course of these past two years I have learned the warning signs of her monthly P.M.S. I try to stay out of her way and give her little reason to get pissed at me. And believe me, I've seen my sister at her worst. Trust me when I say that you don't want her mad at you. But as hard as I try to stay on her good side, sometimes there are situations that come up that I have no control over.
For instance my sister gets real cranky if she doesn't get laid regularly. She's a real good looking woman and never has a shortage of willing men, but once in a while she'll have an off night. For what ever reason, she will come up empty handed at her favorite pick up joint. I can always tell when she has come home manless. I am usually asleep by the time she gets home but will wake up by her storming through the front door and slamming it shut with a few choice cuss words. Then she'll go to her room down the hall from mine and break out her toys to take the place of a man and fuck herself to sleep.
I was always thankful to be safe in my room when she was like this. Not that I think that she would ever try to jump my bones out of sexual frustration, but more just to stay clear of her rotten mood. I mean the thought of fucking my sister, even if she is hot, is disgusting to me. And I'm almost 100% sure she feels the same way.
Well, one night I was about to find out how wrong I was. I had totally under estimated my sisters need for cock. And not just some plastic toy, she craved real cock. So there I was, safe in my room so I thought, when she comes home again slamming doors and cussing up a storm. She was really pissed this time. Then I hear her go out to the back yard and rummage around in the tool shed for god knows what. After that I can hear her back in the house and walking down the hall. I'm praying and hoping to myself that she will just go to her room and do her usual toy ritual. But there was no one answering my prayers that night as she pounds on my door yelling,
"Wake up you little shit. Open this door right now."
Reluctant to open my bedroom door, I walk towards it knowing that if I don't open it, things will get even worse. So I put on the just woke up sleepy act and open up the door. I was totally unprepared for what I saw. There was my sister dressed like a full on slut. She had a bundle of rope in one hand and her key chain stun gun in her other hand. Before I could react *ZAP*
The next thing I know, I'm awake with my hands and feet tied to my bed posts and totally naked. Strangely, I can also notice that my cock is fully rock hard. Still groggy from the stun gun I hear her voice saying,
"Sorry little brother but I knew you would fight me on this and I need to satisfy myself one way or another. Oh, and If you're wondering about the erection that you have well, I slipped you a pill of viagra. You've been out for an hour or so and it seems to have just taken effect shortly before you woke up."
I pleaded my case saying, "Please sis, don't do this. I'm your brother. It's wrong."
"Save your breath you little shit. I'm gonna fuck your brains out and enjoy every moment of it."
"You're fucking sick. You need help bitch. You need some serious help you psychopath"
"Little brother... you have no idea just how sick I am, but you're about to find out. Let me just explain to you what's going to happen. This stun gun can be set to a mild shock or knock you out cold which you have already experienced. I now have it set on mild shock. It hurts like a son of a bitch but won't knock you out. If you disobey my commands at any time or if I feel that you are not carrying out my wishes and desires to the letter, you will receive one of these".... *ZAP* I felt a jolt of electric shock buzz through my body.
"FUCK! OUCH! You fucking bitch. That hurt." But then I had a thought as I said,
"There's only one thing wrong with your plan. If we are touching when you shock me, you'll get zapped too." I was feeling that I had her but she was one step ahead of me when she smugly said,
"Don't you think I thought of that you stupid fuck? If you don't do as I say, then I'll just get off of you and just zap. It's that simple. And that's not all. If I catch you closing your eyes you will get a zap. I want you to watch everything I do and be fully aware of what's being done to you."
"This is rape. Do you know that? Even worse, I'm your brother." I watched a twisted evil smile form on my sister's face when she said,
"Uh huh. That's exactly what it is. I'm going to rape my little brother against his will. I'm going to force you to fuck me bro. You're going to fuck the shit out of me cause if you don't, I'll zap you."
"Please sis, please. I beg you. Can't you see that I'm repulsed by the thought of you fucking me. It's disgusting."
"Well, then let's stop thinking about it and let's get to it. Might I say little brother that your not so little. That's quite a big beautiful cock you have there. If I had known your were so big I would have jumped your bones long ago. I've just got to taste such a beautiful cock. My brothers big cock. MMMM."
