If you haven't read the first 5 parts of the Lancaster Twins saga, I suggest that you read them first, in order to get the context.
***
Jennifer and Jackson were now in college. They were able to ride together 3 days a week, but the other two days, Tuesdays and Thursdays, their schedules conflicted, so they drove separately. Since Bill, their grandfather, had gone home, they had plenty of time and privacy to continue their illicit, incestuous sexual activity. They did something sexual nearly every day, even if it was only a quick blowjob. Jennifer assured Jackson that she was quite satisfied to just pleasure him - that it made it better for her not to have an orgasm every day. She was getting much better at oral. She wanted to eventually be able to take him in her throat, but she hadn't reached that goal yet.
One Saturday morning at breakfast, the one day that the whole family had time to eat breakfast together, their Dad casually asked if they had met "anyone" at school in whom they were interested.
Jennifer said, "I'm just too busy with my work load to think about boys, Dad. I mean, there are some good looking guys, and some kinda flirt with me..." She glanced at her brother.
"I've tried talk to some of the girls in my classes, but they don't show much interest," Jackson stated. "I think that most of the socializing happens at parties in college, and I have no interest in partying. Don't worry, Dad. I'm not gay."
"Me either!" Jennifer laughed. "You know how picky I am. I am waiting for someone like you, Dad, or someone at least as good looking as Jackie!"
Their mother laughed. "Well, you can give up on that. You're setting your sights too high!"
That night the twins were gone to the movies. Shana and Tom were watching TV. Shana remarked, "I'm worried about the twins, especially Jennifer. She's come out of her shell a lot in the last few months, but a girl like her should be dating. You know that boys are interested in her. What is she doing to discourage them? And why?"
"I've wondered the same thing, Honey. I doubt there are many girls that are as pretty and... er...hot, as she is, in that whole school. I've even wondered if she's into boys, but she's always remarking that some guy on TV is good-looking, so I don't think that's it. There are boys at church, good boys, who have shown interest. I don't get it. She's never had a date, has she?"
"Well, she went with that Grover Clark to the Valentine's thing at church, but she didn't want to - besides, he's gawky and pimple-faced and awkward. Jackson has not been on many dates, either - and look at him. He's so HOT!" she grinned.
"I know you like thinking about him, Darling. It's okay. I'm glad our marriage is strong enough to allow us to fantasize," he said as he leaned over to kiss her.
Shana whispered, "Feeling frisky, Tom? I am..."
*****
On Sunday afternoon, Tom and Shana went to visit some friends about 50 miles away. They intended to stay and attend night services at their friends' church that evening. That left Jennifer and Jackson alone for the entire afternoon and evening.
The twins agreed that they would finish their homework in their separate bedrooms, so as not to be distracted. Even though both of them were eager for each other, school work had to come first. They both had work that was due the next day. Jackson had to finish some reading and Jennifer had to finish her Calculus homework and write an essay.
At about 2:00 PM, she finished the last of her Calculus homework. She always saved that for last. She thought of it as "dessert" because she enjoyed it so much. She took a quick shower, pulled on a pair of black panties, and a tee shirt that was cut off so short that the bottoms of her tits showed. She knew that it drove her brother wild, and that was exactly why she wore it.
She opened Jackson's door and, without revealing her body to her brother, stuck her head in to see if he was through studying. "I'm all through with homework, but I can read if you're not through," she said.
"I lack about 20 pages. I can stop and read it later," he said.
"No. No way. We're not going to do that. We have to stay disciplined. You finish and I'll be in my room. I may read or take a short nap," she said. "I am ready for you," she whispered sexily.
Jackson smiled. "How am I going to be able to concentrate now? Why are you hiding behind that door?"
"All in due time, Big Brother!"
Half an hour later Jackson finished his reading and rechecked his notes. He quickly took a shower and brushed his teeth, knowing that his sister loved for him to be clean and fresh. He entered her room, wearing boxer briefs, his cock half-hard.
Jennifer had fallen asleep, but she had no covers over her. She was sheer perfection, Jackson thought for the millionth time as his cock lurched and hardened. Those tiny black panties! He knew he would soon peel them off of her. That cut off tee shirt! Those tits! If anything, the cut off tee, showing the bottoms of her generous, perfectly round breasts nearly to the nipples, made them look better than ever. And, best of all, in Jackson's opinion, was her insanely beautiful face and hair. Had there ever been a more beautiful girl in history? Not in Jackson's opinion.
He sat gently on her bed and leaned to kiss her cheek. She smiled, but didn't open her eyes. Jackson kissed her ear, then inserted his tongue. Jennifer opened her eyes and giggled, "That just tickles TOO MUCH!... I love it though!" she said as she pulled him to her and they began to tongue kiss, taking turns sucking each other's tongues as they allowed their hands to roam over each other's bodies.
Jackson lifted the cut-off tee upward and began to lick and suck at his sister's magnificent orbs, eliciting groans of pleasure from his sister. He placed a hand between her legs and discovered that her flimsy panties were already soaking wet. He pulled at the elastic and, sitting up, peeled them off of her. Unable to wait any longer, he crawled between her legs and began kissing and licking her wet pussy. She was SO WET.
"Yessss! That feels so good, Jackie. Lick it. Go slow," she begged.
Jackson tongue fucked her sloppy pussy, then laved her swollen clit. He looked at her face as she began squeezing her breasts, her mouth open in passion. She was watching him as he began to gently suckle her clit.
"Ohhhhhhhhh, you're so good at that!" she squealed. "I have been thinking about this all day!"
It was then that Jackson noticed her long-handled hairbrush laying on the bed, not 2 feet from where he was eating his sister's pussy. He stopped, reached for it and, smiling, said, "What is the meaning of this, young lady? Could you not wait on me?"
Jennifer giggled. "I am sorry. I promise I was thinking about you when I did it."
"You got off?"
"Well... yeah. I did. Sowwy!" she said in a little girl voice.
"This calls for punishment!" he said, sternly. "Assume the position!"
"What?" she laughed.
"All fours! Now!"
