Author's Disclaimer: This is a work of fiction. All events, characters, and descriptions are purely the product of the Author's fevered imagination, and are in no way intended to represent real persons, events, or activities. My advice? Relax and enjoy.
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See Chapters 1 & 2 for who these characters are any why you should care about them.
After that night, things moved rapidly in the Flowers home. Paul and Krissy stayed up late that first night. Krissy produced some weed, and they stayed in the den, getting high and talking about what had happened. Krissy confessed how she had been spying on Paul, and how she had become fixated on seducing him.
Paul, for his part, began to see Krissy in a new light, her sweet sexy body and devilish mind a revelation to him. One thing they both agreed on was that they didn't want to stop what they had begun, despite what others might think. They knew that this would have to be their secret, although, as it turned out, it wouldn't be completely a secret for very long.
Later, Krissy made Paul come for her again, kneeling between his legs as he stroked his slippery shaft. When he came this time, slightly less but still several small spurts, Krissy scooped it all up with her fingers and ate it while Paul watched.
"Mmmm...delicious!" Krissy proclaimed.
"Do I get a taste?" Paul asked, feigning hurt.
"Oh, of course, where are my manners?" Krissy stood, and placed one leg on the edge of the chair. She slowly held her pussy open with one hand and swirled two fingers from her other hand around and deep inside. Drawing them out, she then dragged them through the last drops of his cum on his belly, and held them up to Paul's mouth. Paul opened wide and sucked her fingers in, drunk with abandon.
"Oooh, Paul, I think we're going to have a lot of fun together."
Paul could only nod, his mouth still sucking Krissy's slick fingers.
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Their "research" continued early the next day, when Paul was in the shower. Krissy waited until Mom left for work, and headed straight up to the bathroom. She quickly undressed and slipped into the shower behind Paul. She reached around and grabbed his soapy cock, and kissed him on the neck.
"Hey, big brother" The words drove them both crazy. Paul turned around.
"That's right, I am your big brother"
"Oooh, so big. God, I love your dick!" Krissy kept stroking as Paul got hard in her hands.
"Oh yeah? What do you want to do with it?"
Despite everything that had passed between them, Paul wasn't ready for what he heard next.
"I want to fuck it. I want you to fuck my pussy and make me come. I want to come on your dick and make you come!"
Paul hadn't really thought everything all the way through. Hell, twelve hours before, he wouldn't have thought he would be standing in a shower with his sister, while she stroked his erection. But the thought of actually fucking her, the reality of it, made him nearly swoon.
"Ummmph!" he grunted, and began moving his hips in time with her stroking. "Oh, fuck yeah!"
Krissy was dying, holding Paul by the cock and feeling him thrust. She imagined him thrusting like that into her pussy, filling her with his cock.
"Cmon, let's go." Krissy pulled Paul out of the shower, and led him by the dick out into her room. As she approached the bed, she turned and pulled him down on top of her onto the sheets. They began to kiss, their hands moving over each other. Krissy drew her knees up, and Paul slid into her like he had never been anywhere else.