Bro and sis having fun at school in winter

Note : This story is completely fictional!

Joe was an 18 years old 10th grade student, he had to do three times his tenth grade and he still stayed in school, because he liked to be close to his sister Karen. karen was in his class this year, she was 18 years old and extremely hot. She was very friendly, but was know as a slut by all the school. She would fuck from 7th to 12 grade, she loved sucking big tasty cocks. That's what made Joe extremely horny. He has wanted to fuck his younger sister for 4 years now. Karen has 34 DD's breasts and a very tight ass. joe has a 14 inch cock that has been suck by almost all the girls at school. Those sibblings could become porn stars and bost have had the same lustfull feelings for each other, but they didn't know that.

One day, in a cold winter day, they were the last two students in the high school, there were no teachers too, and because of the storm, they were stuck there ofr the night and perhaps even for the weekend. They decided to talk about their sexual experiences and they did, because they were confortable with each other, there was no secret, a part the incestuous one. Night camE, and the cold was freazening. Joe told Karen that they should be closed so their body could become more hot. They did. He liked being very close to his sister. He put his hand around her. She put her head on his shoulder, then, suddenly, he kissed her. Surprisingly for him, she kissed him back. They began kissing, Joe began to take off Karen's shirt and began kissing amasing breasts. She kissed his neck, his chest, then she began taking off his pants and began sucking his big cock. He began to moan. He was so happy, his dream came true.

After some minutes of the blowjob, he took off her pants and began fingering her pussy. She began to moan and then begged for him to put his dick inside him. He protested saying that he didn't have a condom and could get her pregnant. She told him she didn't care and if she got pregant, then they would raise their child with love and care. He thought about it and then he penetrated her with his huge cock. She began to bounce up and down and her breasts were so hot, that he sucked on them like a baby. She was moaning harshly, she was having the best fuck ever.

Then, she asked him to put his dick in her ass, she wanted anal. Without hesitating, He began fucking her ass. He spanked her each 5 seconds and she liked it, she wanted more. Their favorite sex position was doggy style.

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