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Injured Sister

Date: 12/13/2014, Categories: Fiction, Oral Sex, Teen Male/Teen Female, Author: Qlick, Rating: 94.7, Source: sexstories.com

at me shocked, then replied,"You....would?" "Yea. I'm only your step big brother, but I take it seriously." After that Kelly and I grew closer. We began to talk in the evenings and hang out. By the middle of my Senior year we were close friends. She still invited her boyfriends over and I decided that I should give her some space, so I'd stay in my room or go out and work on my car. One day Kelly and her boyfriend were watching TV and I was outside working on my car. I needed to pee so I wiped my hands and made my way into the house. The bathroom was down the hall from the livingroom. As I passed the doorway I heard the TV going, but also heard a groan in the background. I stopped to listen and heard it again. A moment later I heard her boyfriend groan,"Of fuck Kell....that feels so good!" I slowly peeked around the corner and spotted Kelly and her boyfriend on the couch. What I saw shocked me and gave me an instant hardon. Her boyfriend had his cock sticking out of his pants. Kelly had one hand wrapped around the base of it and the head in her mouth. As I watched her head bobbed up and down, sliding his hard cock into her mouth. She was giving him a blow job! I stood there and watched as Kelly sucked his cock. Her boyfriend looked like he enjoyed it a lot and Kelly looked like she knew exactly what she was doing. Finally her boyfriends groans grew louder, then his hips rose, he grabbed her head and pushed. Kelly slid his hard rod into her mouth until her lips were against ... the base. I could see her throat working and it hit me that he was cumming and she was swallowing it! After a minute, she pulled her mouth up off his cock, licked the head a couple of times and sat up. As her boyfriend tucked his cock back into his pants he said,"We've been going out or two months, when are you going to do it with me?" "I told you, I can't. I'm not on birth control and I don't trust condoms. Besides, I suck you off when ever you want it. Don't you like my blowjobs?" I wondered if she had told me a lie, or was telling him a lie about the birth control. They went back to watching TV and I silently slipped out of the house so they wouldn't know I had saw them. After her boyfriend left Kelly and I ate the dinner that Francine had left in the refrigerator, then decided to watch a movie. When the movie ended, before she could go off to her bedroom I said,"I saw what you and your boyfriend were doing in the livingroom." Her face paled and she said,"You..did?" "Yea. It looked like you knew what you were doing. How long have you been sucking these guys off?" "I..aw....over a year." She stammered. "Have you fucked any of them?" I asked intentionally being brutal with my language. "No! I told you I never would fuck any of them. I go out with them because they are cool, but I don't trust any of them. I suck them off because they like it and it keeps them coming back." "Do you like doing that?" I asked "I didn't at first." Kelly replied,"but now it makes me....excited." "So ...