Sharing The Lesson With His Sister

Story by Joshiah on SoFurry

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#45 of Incest Stories (Others)

Last we looked, Fenil was being educated in the ways of kinkier sex by his mother, and unwittingly, he was servicing his own father. The story is being carried on for Dargon, who wanted to see what happened to Fenil next!

Confidence continues to grow in the young man as his sexual relationship with his own mother deepens, and he refuses to listen to anyone who claims that it's a twisted one...even his own sister can't get through to him!

A virgin herself and frustrated with her lot, considering herself far more attractive than her formerly nerdy brother, Katya grows tired of listening to Fenil brag around the house about what a hot shot he is, and when he happens upon her musing about his cock, playful teasing leads to boiled over frustration.

Katya traps Fenil in her bedroom with her, and though he could easily walk out the door, when she drops her booty shorts and reveals the glistening petals of her sex, will Fenil be able to resist the invitation?

As their mother finds out when she happens upon them in the throes of passion...of course he can't, and she can't resist watching!

As always, read, comment and enjoy!

P.S. Gotta catch 'em all, right...? Then check out our Pokemon themed auctions! http://www.furaffinity.net/journal/8351411/


Fenil was getting closer to the rest of his family than he'd ever imagined he would, and though most young men who were coming of age wanted to build a small gap of distance between themselves and their parents, Fenil would have been just fine with being pinned between them for the rest of the foreseeable future.

Thanks to his own mother, his confidence was no longer the burdening issue that it was in the months prior. Most people wouldn't have approved of her methods, and in the beginning, Fenil certainly didn't, but the more that he warmed up to the idea, the better it felt, and the less he worried about what society would think of what he'd done.

"Dude...what kind of a straight guy does butt stuff, anyway?"

His trips back to the park weren't filled with ridicule anymore, as he was able to lay grand claims of what he'd done in the bedroom, even if it was with his own mother, and unbeknownst to him, his own father. He'd still only ever penetrated his own mother with his length, but now, he'd been given a deep penetration from the man who first bore him, and all of it was under the guise that it was just his mother using a sex toy on him.

If he knew the truth, he might not have been so excited about the prospect, but he was still grinning from ear to ear every time that he went to the park and told the story.

His intention was only to make his friends jealous, but he didn't know that he was having that effect on someone a little closer to home, as his sister often visited the same location, and most of the time, she rolled her eyes in frustrated disgust whenever Fenil opened his mouth.

His mother, Vania, was taking notice of the budding problems, and given her first encounter with her son, she was already coming up with a number of ways to kill two birds with one stone.

**

Life around the draconic household was returning to the level of normalcy that Fenil grew up with.

His father, Mertol, was on his way to work every single morning with the kind of practiced haste that Fenil was used to seeing, his mother was often in the kitchen, preparing dinner for the evening without any regard for the rest of the chores that needed to be done, and his sister, Katya, was busying herself with her looks in her bedroom.

The last of the group, but still taller and stronger than Fenil, Katya was always fussing with her looks those days, and where Fenil came to his mother with tears in his eyes for being mocked about his inability to lose his virginity, Katya kept her frustrations more to herself, but she couldn't deny that she was growing impatient in her own right. She constantly combed her mane and kept it tossed to the side so that it would flutter in the wind when she walked around town, and she bathed her scales every single day, making sure that only the soft, sweet aroma of her natural scent was allowed to shine through.

Because she took so much after her mother, carrying the same impressive bodice of lean, toned muscle and a towering height, her beauty was lost on the shorter, weaker male dragons, who found her too intimidating to approach. She knew that they admired her from a distance, and she could feel their eyes roaming across the thick, smooth pattern of her scales as she squired herself about the park, but none among the crowd were ever brave enough to do little more than tease her with the prospect of a date, only to back out at the last second, or never show up at all.

As she'd done so many mornings before, Katya made sure to wear only the lightest of make up, refusing to allow the dark print of her eyeliner to run when the tears inevitably dripped down the side of her face. She was almost a carbon copy of her mother, blessed with the same brilliantly blue scales, but her pattern was reversed, as sapphire covered her underbelly, and instead, bright, silver scales surrounded her entire back and spread across her wings, giving her a wingspan that cast moonbeams upon the world whenever the sun shone upon her.

Much as it was a wonder to Vania how her son was able to stay a virgin for so long, she was downright shocked when she walked in on Katya only weeks before, learning that she had the very same issue.

Of course, it was Katya who was in disbelief when she heard that the woman who took Fenil's virginity was her own mother, and she was still trying to process how such a thing could be possible, even in a family such as her own.

We've always been open with each other, Katya still wondered to herself, even weeks after she was given the bomb of information, But I can't believe Fenil would do such a thing! It's so...so weird!

Mingled feelings of jealousy, both at her brother for losing his virginity before her, and at her mother for helping Fenil with such a problem, plagued her mind those days, and she couldn't help feeling that she was just as weird as the rest of her family. She knew she had no reason to be jealous of her mother for sleeping with her brother, and yet, her legs were still crossed as she sat at her vanity and teased a comb through her hair once more, and her judgment was clouded, as she let out a heavy sigh.

She'd do it for him, she thought. Maybe Daddy would do it for me?

Mertol was almost never around, and Katya had no idea how she would corner her father into such an act, but Fenil simply wouldn't cut it. She dwarfed him, the same way that her mother did, and she was getting exhausted by his new, arrogant attitude, and the way that he walked around the house with such a swagger was starting to grind on her very last nerve.

"Though...the way mom talks about him, I guess I can't count him out right off the bat," she muttered under her breath. "She said his cock was heavenly..."

"Oh, it is."

With impeccable timing, Fenil walked right past his sister's room on his way down the hall, and though he didn't catch all of her words, he still made the assumption that the words of praise were about him, sending a warmth right through Katya's cheeks.

"I wasn't talking about you, dork!"

"Suuuuure you weren't," Fenil assumed, and Katya could only roll her eyes as her brother carried on past her room, acting as if the world owed him something. "It's okay to be curious about it, Katya! I know you heard about it!"

It wasn't all that surprising that Vania wasn't able to keep the details of her incestuous affair with her son to herself, and though talking to her daughter about it might have been strange, it did strike a chord in Katya, who set her forehead into her open palm and gazed down at the top of her vanity.

"You really think you're hot shit now, don't you?"

This time, Katya had the full attention of her brother, as he paused in his strut and took a few steps directly backward. "It's not a thought, dearest sister. I've taken the first step toward real manhood, and once I've got a job and a place of my own, I'll be the cock of the walk, thank you very much!"

"You're years from being able to afford your own place," Katya pointed out, "And just because you fucked your own mom doesn't make you some great shakes or anything."

"At least I've fucked someone."

Katya sighed heavily into her palm. "That is not the right attitude to have about this! Shouldn't you be trying to look for girls outside of the house!"

"Well, I am now..."

"When you bag a girl out there, then you'll have something to brag about," Katya voiced her opinion, though Fenil wasn't too happy to hear it. "Until then, I've about had it with you bragging about fucking mom!"

"Pretty sure that she's hot enough to brag about," Fenil suggested, "And none of this changes the fact that you're just jealous of my skills."

Mingled frustration of the sexual variety, and purely of her situation were boiling over for Katya, who slammed her fists down on the vanity.

"That's it! You really think you're so damn special, just because you fucked your own mom?!"

Fenil snickered. "Well, she tells me that I'm pretty special," he replied.

Clever as his joke might have been, it only sent a deep, angry scowl across Katya's muzzle. She stood up from her vanity, grabbed her smaller brother by the wrist, and tugged him into her bedroom, and closed it with her tail in the midst of a spin, signaling her mother's attention with a telltale SLAM.

Strutting around in nothing more than a pair of gym shorts, it would only take Katya seconds to strip him down. His hips were still jutting out as if he were thrusting at the air when he walked, and his over-confident nature was driving Katya crazy, but it was all still just a bit less than her sexual frustrations...and much as she hated to admit it, her brother made an excellent target to test them out on.

"Fine. Prove it."

"Huh...?"

Tiny, tight booty shorts began sliding down over Katya's thick, muscular thighs, and her tail lifted almost immediately, following all of the films that she'd practiced her approach to before. She had nothing to go off of, other than pornographic material, but it was a good teacher when one wanted a quick and lustful encounter, and for Katya, she could imagine her interlude with her brother being nothing less, and nothing more.

The way that Fenil acted, Katya was sure that he would just step up behind her as she stepped out of her sleepwear and push apart on the firm, curvy cheeks of her rump to spread her sex apart.

Instead, as she leaned over the side of her bed and began lifting up the thin, sheer tank top that she awoke in that morning, she could see her brother trembling in place, and though he wasn't stripping down as rapidly as she expected, she could see his cock growing stiff under his shorts and tenting the fabric upright as she spread her legs apart.

Her breasts came swinging free as she threw her tank top aside, and her nipples teased across the sheets as she leaned over them, sending a pleasant, ticklish chill down into the pits of her tummy. She knew that she'd need more of a warm up than that, but blind frustration was making her act irrationally, and though Fenil could recognize it, he couldn't stop her, or take the next step, himself.

His dominant mother was always in control when they interacted, and though he acted like the man of the house as a result, the fact was that he'd never actually been on top. It was always his body being used to satisfy his mother, and now, when a heated, lustful female threw herself at his feet and simply awaited her fate of being speared on his manhood, he could only stand there and point it at her backside.

"So...you're only mortal after all, dear brother..."

Fenil thinned his lips and narrowed his eyes down on his sister, knowing that she was putting the ball in his court. She just barely stepped out of her booty shorts, and left them dangling off of her left ankle as her claws dug into the floor, and she reached back with an open palm to spread her slit apart, wondering just which member of his family Fenil enjoyed watching more.

"That's not the po-

"Do you like it? Is it even better than mom's?" Katya interrupted her brother with a smirk, knowing that his eyes were simply glued to her sex. The feeling of her body being admired so diligently was quite the turn-on, but she still brushed a single digit along the vertical length of her folds, knowing that she'd need to build a little more moisture, if Fenil ever gathered the courage to make a move on her.

Vania took great care of herself, and she made sure to work her pubic muscles as often as she could to keep her womanhood looking tight for Mertol, but nothing she could do would ever give her body the same thin, narrow line of a slit that Katya was blessed with. The entrance to her sex was neat and smooth, and even when her folds started to pout with need, everything kept such a tight appearance on the outside that Fenil almost winced for her when she pushed a single, clawed digit inside of her own passage.

"This will n-never do it for me, Fenil...you need to get me off," she pleaded with her brother, though she knew her desperation wasn't the key to tricking him. "Now...are you man enough for the task, or...nnnyeah... are you just gonna run to the kitchen and cry to mommy, instead?"

Fenil was so entirely cocksure of himself that he refused to let anyone question the rugged status he'd gained, even if it was another member of his immediate family. As precum began bleeding through the fabric of his shorts, Fenil gave them a quick, firm yank to the ground and stepped right up behind his sister, setting his cock on the curve of her rump, allowing the underside of his shaft to tease between the mounds of smooth flesh.

He grunted with his own frustrations as his paws came down harshly on his sister's hips, and even before the penetration, Katya's expression softened to a gleeful relief; it might have been her own brother, but she was finally going to be penetrated with a real cock, and perhaps, their relation meant that they would be the perfect match for each other.

Even with a few rounds under his belt, Fenil was still inexperienced, and in that sense, they absolutely matched, as his legs trembled the entire time that he tried to guide the tip of his length into his sister's cunt. His body shook as he moved, and Katya, feeling her own nerves at the reality of what was coming, couldn't keep from quaking either. Their shuddering bodies began pushing erratically at each other as Katya grew desperate, and Fenil grew impatient with himself.

Damn it, body...relax! It's just your whiny sister! Put her in her fucking place! he mentally cursed his uneasy hips, and though the pep talk did help, it was only enough that his rod finally lined up with the warm, dripping folds of his sister. He could feel the fresh, unbelievable heat of her womanhood surrounding the tip of his member in an instant, and though Katya believed her desperation would allow her to handle anything, it wasn't enough to handle the sudden, full length of her brother's cock recklessly jutting inside of her and filling her right to the brim.

She tried to cover her mouth before the scream came, and when she knew it wouldn't do any good, she slammed her face into the covers and yelled out into them, as her virginity was brutally robbed away from her by her own brother.

"Fuck... fuuuuuck, Fenil! That's t-too much, you idiot!" she yelled back at him, wondering how he could have been so foolish.

His hips were eager, and it was hard to control them, but Fenil pulled his body back a little bit, and Katya gasped into her sheets as she adjusted to only the head of his cock being inside of her passage. The stretching couldn't possibly last, and her inner walls slowly adjusted down to their usual tightness, but she couldn't decide if pleasure or pain was winning out the moment for her.

Shooting back a glare at her sibling that immediately gave him memories of his own sexually devious mother, Katya gritted her fangs and gestured at her backside. "A-again...and a little softer this time, you dolt."

Even though he was on top of her body, the gaze from his sister immediately put Fenil back into the submissive role. His body still trembled in place, but he tightened up his grip on her rump and planted his footpaws as firmly as he could, allowing him to guide the first few inches of his cock back into her womanhood with a slow, delicate push.

When she had the time to adjust to his member properly, and her sex learned to accommodate the impressive amount of flesh, it was a pure delight for Katya, who still sucked in a deep breath and held it at the memory of what happened only seconds before...but she was able to release it and drop the sheets from her fangs.

Turning her gaze back to the wall and relaxing in her position, Katya gave a quick, gentle buck with her backside, pushing her brother in just a little bit further than he thought she'd be able to handle. "Keep...fucking...going..." she groaned, as she rested her cheek against the cool linens and met her brother's slow, easy pace.

Heavy panting began to fill the room as both of the draconic siblings looked away from the door, giving Vania a perfect opportunity to pop her head through.

"...!"

She'd only come to see what Katya was screaming about, having heard the noise all the way from the kitchen, but as she watched her children slowly rutting each other, and picking up the pace a little bit with each passing thrust, she couldn't help sneaking a pair of digits under her apron, right into the warmth of her panties, and rubbing a small, tender circle over her clit.

Fuck her deep, Fenil...nice and deep...prove to me that you're ready to be the man of this house, after all!