"Please sis, no more. My ass is really sore! You've been screwing me for almost two hours and I have band practice with the guys!" David's ass was sticking out and totally exposed to his sister Moira's strap-on dildo. His long, bleach-blonde hair was hanging down around his shoulders and the mascara she had applied nearly three hours earlier was running down his cheeks from the occasional tears he cried while she sodomized his asshole.
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David's eighteen and finishing his Senior year of high school. He gets B's and C's in school except for Band where he gets A's. He also plays guitar in a rock band with three guys and a girl from his class. He started letting his dirty-blonde hair grow three years earlier and it's now about half-way down his back.
His sister Moira is nineteen and in her first year of a local Junior College. She also waits tables at a family-style restaurant in town. She lettered in field hockey and water polo in school and maintains an athlete's body. Unlike his sister, David is slightly built and never was very good in sports.
They live with their mother who works two jobs to keep the family going. Their dad has been out of their lives for a few years. Last year, their mother put Moira in charge of David as she was gone so much with work. That's when David's life really changed. Moira had always bossed him around but now she has taken it to another level and David hates it but doesn't know what to do about it. So he suffers daily humiliations at the hands of his sister.
Shortly after Moira was put in charge, she caught David with a pair of her sweaty underwear. He was doing the family laundry after school and was sorting clothes. When he picked up a pair of Moira's panties that she had worn while working out, he felt the dampness in the crotch. His hormones raging - and thinking he was home alone - he put her panties to his nose and inhaled. David had never gotten into a girl's panties, but he could smell the mixture of sweat and sex on his sister's panties. He took another long breath and that's when Moira snapped a picture of him with her camera phone. He didn't see her and he didn't know it then, but that moment would change his life.
A few days later after Moira had had a chance to think about what she had and what she wanted to do, she walked in on David while they were home alone and he was in the bathroom in just his underwear. She surprised him and he tried to make her leave but Moira was always stronger than him and wouldn't go. Then she showed him the picture of him smelling her underwear and he nearly cried. She told him he would be her little bitch and do what he was told or she would spread the picture of him all over his school - starting with his band mate, Kerri. Moira knew David had a crush on Kerri but had never said anything to her. He tried to resist but the next day Moira helped him bleach his hair blonde and then applied mascara and soft pink lipstick to his face before taking another picture of him for 'safe keeping'. Mom was surprised to see David had bleached his hair when she got home from work, but told him it looked great on him. All David could do was smile.
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"Oh David - don't be such a girly-girl. I haven't screwed you for two hours. Remember, I talked to Cindy on the phone for at least twenty minutes."
"Yeah, but you left the dildo in my asshole when you started talking about your date." Moira smiled. She did unsnap the harness from her body and leave the latex cock buried in his asshole. She didn't want David to hear any details of her fucking the guy from her Social Studies class. After the call, she spread some KY around the dildo, strapped the harness back around her hips and continued fucking David's sweet asshole. She always tells him it's a better workout than her aerobics class!
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It really had started out innocently enough. Moira would dress him up in some of her older outfits - panties and bras included - and try out different make-up when she knew mother was working late. David would have to do his household chores while dressed in this manner. Of course, she started using the new digital camera mom had bought her for Christmas. Those files were safely hidden where David couldn't delete them. One day she decided David's toenails should be painted and so she did. He was horrified when she said she wouldn't remove the paint. It was winter and he'd be wearing socks all the time anyway.
It took a turn for the worse, or the sexual, during their winter break from school. Mother had said she had to go straight from her day job to her night job so they'd be alone all day. It had snowed the night before so no one was really going outside anyway. David was wearing Moira's tank top and exercise shorts with panties and a sports bra while washing clothes. Moira wasn't dressed all that differently as she did some dusting around the house. She had recently bought a couple pair of thong panties and they were in her laundry basket. When David found them, he began teasing her about them. He was asking who was gonna get to see them - who she wanted to fuck.
Moira ignored him at first but when he persisted, she started to chase him around the house. She finally caught up with him in the den and they began to wrestle. David held his own for a couple minutes until Moira kicked out his leg and he fell to the floor. Moira tumbled on top of him and proceeded to pin his arms and legs. Knowing David to be quite ticklish, she moved her body around so she could keep him pinned and she began to tickle him with her free hand. David thrashed around but was helpful under his stronger sister and her tickling hand. Moira's ankles were across his and she held both wrists with one hand. This put her body lying on David's as her other hand tickled his ribs.