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My Sisters Balls
I laid on the weight bench with nothing on except my gym shorts. Pressing out my last 200 lb.lift, placing the bar back in its cradle with a heavy clang sat up and noticed my little sister Natalie 13, had been watching me workout, so I thought I'd show off a little for her. I stood and did a double bicep pose flexing my muscles. WOW you're really strong Bill ! I bet you've got really big balls! What I said surprised!! Where did you get that kind of language from? Stacey! Stacey says really strong guys like you, got really big balls! I know what balls are! Stacey made her brother show us his balls. She can make him do anything and hes almost as old as you to. She says guys are weak because you have balls. Billy show me your balls! I wanta see them! I won't tell anybody just let me see them ok. Listen Natalie your only 13 you shouldn't be talking about things like this. What else has Stacy been telling you about guys? Well she said when a guy gets excited his penis gets really big and hard and it sticks straight out in front of you. I wanta see that to Billy. Pleaseeeee Billy show me pleaseeeeee!! I promise I won't tell pleaseeeeee!!! I thought for a second then said ok!! But you've got to promise not to tell anybody about this ok! I shouldn't be showing you this stuff and I could get in big trouble! Your only 13 and I'm 19. I promise, I promise. I won't tell anybody show me show me!
I did have a big set of balls, and my 8 in.cock was already starting to swell at the thought of exposing myself to my little sisters curiosity! I pulled my gym shorts down exposing my jockstrap bloated heavy with my manhood. She was really excited. Her hands went to her face with anticipation as I stepped out of my shorts. My jockstrap juggling as I moved. I put my finger under the band of my jock and said ok Natalie ready! Pulling it down my cock and balls flopped out for her inspection! OH WOW Your ten times bigger than Stacy's brother! Your big Billy really big! I felt kind of proud at my sisters reaction at seeing a real man for the first time! My semi hard cock started swelling to its full stature. Spreading my legs I did another pose flexing my muscles for her. Pulling my balls up than letting them drop. She squealed with delight, her eyes locked on my low swinging balls as I moved in different poses for her. Billy how much can you lift! Show me how strong you are! I wanta watch your balls when you lift! I was getting into this now. So I strutted over to the 200 pound bar bell, took a deep breath thrusting my chest out in a display of male power. I lifted the weights with a loud grunt my balls pulling up tight, pressed the 200 pounds over my head. She squealed!!!! Your so strong Billy! Dropping the weights to the floor. She came over and tried to lift one end with all her strength, she couldn't budge it. God Billy your so strong! I want to feel your balls Billy let me hold your balls ok? Before I could say anything she reached out and grabbed my ball sac! OH God Billy they're so big and soft! Ok Natalie that's enough! Leave go of them! No No! I just want to feel them I won't hurt you! Stacy says l can control you by using your balls! That's how she controls her brother by squeezing his balls! Ok Natalie leave go of them now! No I wanta see! I grabbed her forearm and she squeezed my left testicle hard, a jolt of pain shot through my body immediately I let go! She smiled up at me watching my expression as she lighten her squeeze! God Stacy's right! It's your balls!!!! No matter how strong you are I can control you by your balls! Ok Natalie leave go of my ball. What if I don't want to! I could really hurt you if I wanted to couldn't I. Well couldn't I ? Yes yes Natalie now leave go of me! Giggling with a devilish grin she squeezed again. I want to see you play with your thing make it cum! Stacy makes her brother cum. I want to make you cum! I wanta see how much stuff comes out! No Natalie you're going too far! Now let go of my balls right now! Or what? You'll do what? Your little sister got you by the balls doesn't she! Maybe I'll show you what your little sister can do to her big strong brother! This little girl thinks maybe you need a lesson, like the lesson Stacey gave her brother! A lesson in girl power! With that Natalie yanked my one ball down hard, and twisted. Then with her other hand she slammed her little fist into my right ball dropping me to my knees! I couldn't believe my little 13 yr. old sister had just done this to me. This was a revelation in my short life as a male! I was so big and strong building myself to become a male bull. To have a 13 yr. old girl my sister, take me down so easily! It was a introduction to the real realities of life! Females are superior they don't have balls! Lying on the floor in pain. I heard the door open and the voice of Stacy. Giggling and laughing! See Natalie I told you there so easy! Especially the ones with the biggest balls! I was watching through the the window girlfriend. Your brother has really got a big cock girl. Look at that thing its huge! Now I'll show you what I make my brother do! Take off you're clothes and make him lick you. Let him taste your twat that'll seal the deal. Make him jerk off while hes doing it. Sit on his face backwards and hold his balls and watch that big cock explode! This was the beginning of my new life as a slave to my sister and her friend Stacy. Two years later Stacy castrated me in front of my sister. The ultimate girl power trip! As Stacey told Natalie girls rule!
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