Keene's Really Good Week

Keene's Really Good Week, Part 2/3: Wednesday

(m/F, inc)

So far, Keene was having a pretty good week. On Monday, he'd been paired with Chandra—a girl he really liked—during Sexual Education class, and sex with her had been totally amazing. Then, on Tuesday night, Chandra had invited him over for some extra study, and they'd had sex in Chandra's bed, which was as soft as she was and smelled like her, too. He'd had three orgasms, and he'd given Chandra just as many. They already had plans to do it again on Saturday. Keene could hardly wait.

Then, that Wednesday night, Keene's sister, Kiri, came home from college for a four-day-weekend visit. At 18—8 years older than Keene—Kiri was halfway through the first semester of her sophomore year.

Kiri was pretty great, as sisters went. Despite the difference in their ages, Kiri had always been happy to spend time with Keene, taking him to movies, playing games with him, and even helping him with his schoolwork. She was also very affectionate, giving him frequent hugs and snuggling with him on the couch when they watched TV together.

Late that night, Keene was walking lightly past Kiri's room on the way back to his own room from the bathroom. His parents were asleep, and as his sister had had a long drive home from school, Keene assumed she was asleep, too. However, as Keene passed by Kiri's door, he heard his sister call softly, "Is that you, Keene?"

"Uh-huh."

"Come on in here for a minute."

Keene opened the door and entered his sister's room. The lights were out, but the blinds were open, and Keene could see by the light from the streetlight outside.

Kiri was lying in bed, tucked under the covers, but Keene could see that her legs were open and that she was slowly stroking her vagina, in the same way that Ms. Therin had taught the boys in Keene's class to do with the girls. Keene could even see the erect nipples of Kiri's small, pert breasts poking through the sheet.

Keene had never really thought about Kiri in a sexual way before, but seeing her touch herself that way made his groin feel tingly.

With her free hand, Kiri held up the edge of the covers. "Hop in," she said.

Keene slid under the covers next to his sister. Her long, slender body—typical for cheetah-types like her and Keene—was warm, and her fur was soft, like she'd been using conditioner. Keene felt his penis start to stiffen.

"I hear you're getting all As in Sex Ed," Kiri said provocatively.

"Yeah," Keene replied, a little awkwardly. He'd never talked to his sister much about that kind of thing before.

"Maybe you could show me what you've learned," said Kiri.

She took Keene's hand and put it on her stomach, then slid it down between her legs. Her vagina was hot and very wet.

"O-okay," Keene said. His fingers found Kiri's clitoris and began rubbing it the way he had learned at school.

"Oooh, that's nice," Kiri purred. After several seconds, she added, "Can you suck my nipples at the same time?"

"Sure," Keene replied. Still fingering Kiri's clit, he pulled the sheet away from Kiri's body, leaned over, and took her right nipple in his mouth. He sucked it gently, then slowly swirled his tongue around it.

"Oh, Keene," Kiri moaned lightly, stroking his head. Her other hand snaked under the covers and found Keene's cock. Expertly, she grasped it and moved her hand up and down, completely stiffening Keene's member in a matter of moments.

"You like that, huh?" Kiri teased.

Keene removed his lips from Kiri's nipple and stammered, "Y-yeah. You're really good at that."

"Mmm, so nice and hard," Kiri cooed as she continued to stroke Keene's cock. "I wonder if it'll get even harder when you put it in my pussy? Let's find out right now."

Keene pulled his head away from Kiri's breast, looking a little confused. "Really? No more foreplay? 'Cause Ms. Therin says-"

"You're so sweet," Kiri said, "but I've been rubbing myself for, like, 20 minutes now. So consider me pre-foreplayed and just fuck me."

Keene stopped fingering Kiri's clit and moved back a bit so Kiri could get up on all fours. She turned her head to look back at Keene and smiled sexily.

"This way, you can put it in nice and deep. Now why don't you mount your big sister and give her a good fuck?"

Being older, Kiri was a lot taller than any of Keene's classmates, so her vagina was too high for his penis when he knelt behind her. Thinking quickly, he grabbed an extra pillow from the bed and put it beneath his knees, raising himself up to the right height. Then he grasped his cock and ran the head up and down between Kiri's labia, hoping his sister would like it as much as Chandra did.

"You little tease!" Kiri cried in mock outrage. "Shove it in already, little stud. I want to feel your cock inside me."

Keen slid the head of his penis up to Kiri's entrance, then pushed slowly but firmly into her, like he'd been taught.

"Mmmm," Kiri hummed, clearly enjoying the penetration. Keene liked it too; he had heard boys at school say that cheetah-girls' pussies were tighter than most, and it seemed to be true, because Kiri's vagina was gripping Keene's member almost as tightly as Chandra's had, even though Kiri was much older.

Keene slid all the way into Kiri until his furry balls rested against his sister's pubic mound. Then he started slowly pumping her. It felt really good. She was tight and warm inside, and there was just something exciting about doing this with a full-grown girl, with breasts and hips and everything, even if it was his sister. Or maybe especially because it was his sister. Keene wasn't exactly sure.

"Ooh, that's good, Keene, but do it faster," Kiri said. "I need to come."

Keene was happy to comply. He picked up the pace, ramming into his sister's cunt again and again, pushing his hips repeatedly against her round, tight ass.

"Oh, God," Kiri moaned loudly. "I love my little brother's cock in me! Fuck me hard!"

Keene groaned with pleasure and fucked his sister at full speed. Instinct had completely taken over; all he wanted to do now was to shove his cock deep into her, to fill her with him. His fingertips dug into the fur of Kiri's tight bottom as he thrust harder and harder, trying to force himself deeper inside her.

"Yes! YES!" Kiri screamed. Her cunt clamped around Keene's cock, and her head thrashed while Keene pumped her as hard and as fast as he could, until finally Kiri screamed "YEEEEEEEEEEEESSSSS!" and her pussy convulsed around Keene's penis and he came too, squeezing Kiri's ass hard with his hands as the orgasm ripped through him.

Panting, Keene held himself inside Kiri for as long as he could until his cock finally went soft and slipped out of his sister's pussy. Then he lay down next to Kiri as she rolled over and stretched herself out.

"Mmmm, thanks, Keene," she said.

"You're welcome. That was really great," he replied.

"I hope we didn't wake up Mom and Dad."

"Are you kidding? Nothing wakes Mom and Dad up," said Keene, putting his arm around his sister's midriff.

"My, my," she said. "Only ten years old and already a good lover AND a cuddler?" She turned on her side and ran a finger down Keene's cheek. "You know, if you keep growing into this perfect little man, I might have to let you try and put a baby in me when you're old enough to cum." She looked him in the eyes. "They say the odds are a little better when you're brother and sister."

"Wow," Keene said. He knew that he, like all males, was supposed to try to get as many females pregnant as possible, but it had never occurred to him that his own sister could be one of them, or that she would want to be.

"But," he said, "we can have sex some more BEFORE I get that old, right?"

"Definitely!" Kiri answered. "Hey, you should come and visit me up at school some weekend. We could have some fun, and I bet the other girls in my dorm would like to meet you."

"Wow," Keene said. The thought of having more sex with his sister AND with other girls her age was almost mind-blowing.

This week was getting better and better.