Becky, My Sister, My Slut PT2

Blackmailed my sister, made her my slut. Took her to a mall and used her

PT2
The next day was Saturday and I had some big plans for Becky and me. I asked our parents if Becky & I could go to the city and do some shopping and the said yes. Mom was going to take us to the bus station in town and is saw a 1hr trip to the city. When Becky came out for breakfast, she was wearing jeans and a t-shirt. I reminded her of our deal and told her I was picking out her clothes. I went in her room and found an old sundress in her closet and put it in my backpack. After breakfast mom dropped us off at the bus station. While waiting for the bus I opened my backpack, I showed Becky the little sundress and told her to go put it on. She didn’t want to wear it as it was old and now a little too short for her liking but she knew she didn’t have a choice. Before she went to the bathroom to change, I told her to come back wearing only the dress, no bra, no panties. She wasn’t happy but did as she was told. The bus arrived and we sat in the back. There were only a few other people on the bus, mostly near the front. I was starting to get horny so I began to run my hand up and down Becky’s long legs. I undid my jeans and got my hard cock out. As we stopped at red light and I grabbed Becky’s hand and began moving up and down my hard cock. Becky’s hard nipples were clearly visible through the thin material of her dress. The light turned green and we drove another block before turning on the highway.
Once on the highway it was quiz time for Becky. I asked and she answered.
Q, when did you start masturbating?
A, when I was 13.
Q, do you have and sex toys?
A, no.
Q, what do you use to masturbate.
A, my fingers or the massage feature on the shower head.
Q, how many cock have you had?
A, 2, yours and Rick’s.
Q, have you ever fucked in a car?
A, no.
Q, do you fantasize about girls?
A, sometimes
Q, which of your girlfriends has the best body?
A, Lisa (I would use this information later)
At this point precum was leaking out of my cock and making it and Becky’s hand slick.
I grabbed Becky’s shoulder and pushed her down until her mouth was on my cock. A few quick links and I was filling her mouth with cum. She swallowed as fast as she could. Getting every drop.
She quickly sat up, her face beet red, looking around to see if anyone has noticed what was going on. No one noticed. I did up my pants just as the bus was making it’s only stop before the mall. Some older boys got on and sat in the back seats across from us. The both took long looks at Becky’s long legs in her short dress. She was embarrassed but liked the attention.
20mins later we were at the mall. We split up, we both did a little shopping, and met in the food court 1 ½ hrs later. The mall was a little cold and Becky’s hard nipples were poking through the thin material of her dress. I was horny and it was time for more fun. In one of the big stores, we picked out a few bikinis and head-to-to the change room. Becky opened a changing room door, I looked around and no one was near so I walked in behind her and locked the door. I turned Becky round and began to kiss her, I reached up her short dress and started to play with her pussy. She was horny and wet in no time. Becky began to moan as I played with her wet cunt. I only stopped long enough to undo my jeans and free my cock. Just as I bent Becky over and slide my cock in her wet cunt we heard someone enter one of the other rooms. My hands were mauling her little tits as my cock was pounding her pussy. Becky was trying to muffle her moaning so the people nearby wouldn’t hear. We could hear 2 girls tell each other how sexy they looked in clothes they were trying on. It turned me on to listen to them while I was fucking Becky. I knew I was going to cum soon and decided to shoot my load into Becky’s tight pussy. One final thrust and I dumped a massive load into my sister. The other change had gone quite and we know they had heard us. I quickly did up my pants and Becky straightedge out her dress. We opened the door and walked out. A moment later to another door opened and 2 pretty girls came out. Becky turned a bright shade of red, but we kept walking away. As we walked out of the store and down the hall I could see my cum dripping down Becky’s thighs.

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