Gotta Catch Her Brother's Attention

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#2 of Incest Stories (Others)

Mack is content to rot his brain, playing video games all day and ignoring the rest of his family. His parents don't seem to mind, but in this story commission for Certified GSD, his sister takes direct issue with it!

Having spent every waking moment playing the newest Pokemon game since it debuted, Mack has become one with his bed. His sister, Chase, points this out, but Mack assures her that he'll move when he's good and ready.

Chase, impatient as ever, decides to take part in his hobby, instead of admonishing him. Thanks to a vial of Prebudila (how's that for a callback?) she finds herself transformed into his favorite Pokemon: A Rockruff. Where she looks the part, however, she'd gained a new appendage with the change...and she can't wait to show it off for Mack!

Is that how Pokemon breed? I'm not so sure...

-

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Whenever a new game in the series came out, Mackenzie didn't let anything stand in his way: he'd even gone so far as to quit a job before so that he could be the first one in line at the game store to pick up a copy of the latest Pokemon game, and the newest installments had just arrived, eating up the last of his fun money.

With a console in his paws and his back pressed firmly to the covers of his bed, Mackenzie felt like he'd been sent back in time, capturing a youthful nostalgia that few other experiences in life, much less other video games, could ever hope to spark.

"You do know that it's the nicest day of the year so far, right?"

"Uh huh."

"And that it's almost noon and you're still lying in bed, playing that stupid game?"

"First of all, it's only 11:30-

"Almost noon."

"And second, this game isn't stupid. It's already the best in the series, and the only way I'm going outside is if I'm playing this in the hammock in the yard."

Chase couldn't keep her eyes from rolling. She knew better than to try and reason with her brother when he had his paws wrapped around a new toy, but after weathering such a drab and dreary spring, the last thing she wanted to do was squander the first nice days of the early summer.

"Or...and hear me out, here: you could put the game down, pick up a basketball with me, and we could head to the park and actually do something with the day," Chase suggested. "I'd even settle for a quick walk around the jogging trails, but I am seriously going stir crazy in this house!"

She always was the athlete of the family, but Chase didn't realize just how much she needed the activity until the promise of springtime brought little more than clouds, rain and mud: she didn't have much need for the first two and hated the third, but now that the sun was shining and catching the overcoat of black fur on her back, the border collie was feeling the renewed itch to get outside and live her life.

With the rare treat of her brother being home in the first place, she was hoping she could convince Mack to put his game down and join her in that, but she never had the same appreciation for the game that he did; even her passing interest in the series waned after one or two hours of playtime.

"So...go for a walk, then?" Mack replied. "Nothing to stop you from heading out there on your own, right?"

"It's more fun with company," Chase said. "And playing basketball is a lot more fun when you have someone there to help you track the ball down every once in a while."

"Do you mind if I bring my Switch with me?"

" Yes , I do," Chase groaned. Eyes were getting ready to complete their first full circle when they started to roll anew, careless about hiding her frustration from her brother. "Now can we please head to the park for a bit? Just an hour or two? Just a few minutes, even?"

The window was open, letting the fresh breeze of the spring roll through and permeate the stale air of a bedroom long overdue for a thorough cleaning.

That alone would have been enough to get Chase up and out of her bed, but where she was bouncing up and down at the edge of the bed, her tail wagging in a tizzy...Mack hadn't budged an inch since his sister came barging into her room in the first place.

"But I'm just about to catch my favorite one, and if I miss this chance, I might have to play again for a whole week before I get another!" Mack explained. More excitement crept into his voice than Chase could recall hearing from her brother in weeks, giving her a proper idea of just how much he loved his game.

In that moment, however, all she could think about was how her brother would rather spend time with a piece of plastic and a flash screen than he would with his own sister.

"You'll be playing all week long anyway, won't you?" she asked. "What about making a little time for me in there?"

Mack blinked. "I'll still make some time for you, sis. It's not like this game is my whole life or anything."

"The small divot in the bed that's formed under your ass would beg to disagree."

She was just trying to be playful in the hopes of getting a rise out of her brother, but without considering his lack of a job at the moment, or the way that his parents were staying on him about staying busy, she'd taken things just a little too far.

"You know, if there was one person around this house that I thought would have any respect for my playing this game, it would have been you," Mack scowled as he turned his focus from his sister's bouncing tail to his screen. "I get it; I need to get up and off my ass, but right now, this just really takes the edge off for me, okay? Going out and getting some sunshine isn't gonna do that."

Chase could see that her efforts were going to come up short. Wilting ears folded just a little bit further as she leaned into the bed, hoping she might be able to lure him out another way; the cut of her tank top was just low enough to allow him a sneak peek into her cleavage, if he bothered to look up from the screen.

"What if I promised that you could try to 'catch' me at the park later?" she asked, putting on a sultry tone that had never failed to motivate him before. "Just you and your favorite Pokemon, alone in the words for a battle...?"

If he'd bothered to look up from the screen, Mack would have seen the modest perk of his sister's breasts, just beneath a cheeky grin and a narrowed pair of hungry eyes.

Instead, he'd leaned into his earlier frustration, leaving him ignorant of the nature of his sister's approach.

"Maybe later," he replied, his voice utterly dismissive. "Seriously, I just encountered Rockruff; I've been trying to get this one all weekend!"

He couldn't have known how deep he'd just plunged the knife in her heart, or how hard he was twisted it with every moment that followed. He was completely enamored with the game, as if it had some kind of a hold on his mind...the very same kind of hold that Chase had on him most of the time, when there wasn't something so nostalgic and satisfying to claim her place.

"...Okay. I sure hope you catch it, then," she replied, her words as cold as the shoulder that she turned to his presence. "Don't forget to come down for dinner, sooner or later."

She turned off the light switch on her way out, but Mack didn't reply to her kindness.

He didn't even comment on the fact that the light had shifted, leaving Chase to wonder how such a simple and repetitive game could be so addictive in the first place.

It's almost like it has a hold of his mind, she thought. Good thing I know how to steal it back...

**

It had been such a long time since she'd gotten the vial that she wasn't sure if she trusted it any longer, but Chase couldn't think of a better time to pop the top on her Prebudila and give it a swig.

She'd been told of the transformative properties it carried, and that each strain of the product had a slightly different effect, but when she saw how excited Mack was about the last Pokemon game that released, she'd planned on surprising him by bringing the game into the real world, and this stuff was said to do the trick, even if she didn't know how it worked.

A shady looking creature with orange stripes and a devious grin sold her the bottle for such a steep discount that she was sure it would have been expired, but the scent coming from the top of the opened vial was saccharine, taunting her nostrils with her own brief version of nostalgia.

"Almost smells like the fruit juice they used to give us as kids...pure sugar," she mused, but when the delight at the idea of tasting the fluid passed, she furrowed her brow. "I didn't get tricked into spending twenty bucks on fancy soda, did I?"

Swirling the vial slightly, she didn't notice any bubbles or remnant carbonation, but Chase was still nervous to give the stuff a drink; that it came from a legitimate storefront wasn't enough for her to trust it, especially given the promise of what it would do to her body.

"It all depends on how well you know your partner," she repeated the owner's advertisement, wondering how exactly the potion would work. "If you know them well enough, you'll become their greatest fantasy, even if they've tried to keep it from you..."

She gave the end of the vial one more sniff, as if she thought the scent would change once the fluid was exposed to the air. "And if nothing else, it'll fire you up so much that you won't be able to keep your hands off of them," she recalled the last bit of advice as she'd left the shop; Prebudila was rather famous as a marital aid and a libido enhancer, but the specialized versions of the product weren't to be trifled with, no matter how experienced one was in the bedroom.

Chase had plenty of experience with her brother, and even beyond that first boundary of incest, they'd crossed a few other lines in the bedroom together, but this was the first time that she could recall literally changing her appearance for her brother's sake.

"If it works, anyway," she paused, plugging her nose and tilting the bottle to her lips. A quick glug followed the liquid down her throat and into her gullet, and as if she'd taken a shot of alcohol, she anticipated a burn to follow. "_Ahh..._t-then...it'll all be worth the risk..."

There was no burn to follow the flavor of cream soda coating her throat, nor any sloshing in her stomach; the vial didn't contain enough volume for that.

Instead, Chase set the vial down calmly and felt a renewed sense of vigor to get her brother out of the house, careless that it was so early in the morning.

"He wasted the entire day yesterday," she rationalized. "I'm not gonna let him make that mistake again...a little breakfast in bed might be just what he needs to perk up and seize the day!"

It wasn't exactly the kind of breakfast that Mack would have expected from his sister. It was in the same vein, certainly, but as she set the empty vial back on her nightstand, her fingertips pulled away with a new weight, the digits thickening just enough that she wouldn't have noticed yet...

...But Mack surely would, when he felt them stroking the side of his face shortly thereafter.

**

The mingled color of soothing cream and rich chocolate could have been a clue to Chase, if she knew anything about her brother's favorite Pokemon.

Not having that information on hand, she was in for a surprise as much as Mack was, but his was twofold when he awoke with a stir, feeling the presence of a new weight on the side of his bed.

"Hnfm? Mmn...C-Chase?"

His eyes weren't open enough to notice that his sister decided to sneak to his bedroom without a shred of clothing on her body, and her scent was a little stronger than usual, but by that amorous bouquet alone, he could have guessed who was creeping on his sleeping figure.

"_Shhh..._don't want mom and dad knowing that I'm in here, do you?" she asked. "I dunno if they'd approve of the way that you're interacting with your Pokemon...do they know why you really like playing that game so much?"

Chase didn't care that her brother indulged in porn of the creatures from the games from time to time; she'd even seen a few images that did the trick for her, but one area of particular taboo was seeing the trainers cross an interspecies threshold, making love to the very creatures that they'd captured.

If her brother was such an ace trainer, he wouldn't have any trouble capturing Chase, but as a wild Pokemon, there was no telling what she was capable of...and she'd gotten the drop on a tasty looking target, that particular morning.

"Pretty sure that they don't care if I'm looking a-a-at...p-porn..."

Rubbing one of his eyes and pushing the sleep away from the corners of his tear ducts, Mack wasn't sure that he'd done enough to clear his vision.

Reality had never been so difficult to believe, but then, even his wildest dreams had never reached into the realm of a Rockruff coming through his bedroom door and leaning over the edge of his bed, her breasts hanging free for him to admire and her entire body swaying with a curious, excitable wag of the tail.

"Maybe not," she agreed. "But I don't think they'd be okay with you sleeping with your favorite Pokemon, would they?"

The question genuinely stumped Mack, who could barely sit upright in his bed before his cock raced ahead of him, jumping to a quick erection and pushing up through the end of his sheath.

There was no denying that it was Chase, just by the tone of her voice, but it wasn't exactly the sweet and playful tone that Mack had come to know of his sister.

The transformation left her with a subtle darkness, one that was just enough to add a fine sandpaper quality to her words. That abrasion was wearing away at Mack's resistance as quickly as anything else, but Chase was only starting to display the goods that she'd gained by virtue of drinking the potion.

"But I...I'm...n-not doing that," Mack did his best to offer any resistance to the idea, but his protest was so weak that it couldn't hope to stop Chase from climbing into the bed with her brother and tugging the sheets away from his naked body in the process. "I've never done anything like that!"

"Of course you haven't," Chase agreed. "Pokemon aren't real, usually...but... this one is."

Mack could almost hear his sister daring him to reach out and touch her if he didn't believe her.

Truth be told, he wasn't sure how such a thing could be possible, but from the larger, thicker pawpads at the ends of her feet to the cream and chocolate coloration that was typical of her new species, and even the thick, shimmering gem of brown that was seated in a field of extra fluff at the base of her neck...everything was there to not only complete the look, but enhance the concept from the game itself.

Though the nature of her body--a taut backside, perky bosom and curious gaze--hadn't changed, everything about the Chase that he once knew was dipped in a coating of the creature that he'd been trying to capture the whole day before.

Now that one was swaying her hips in his bed and looming over his form, he was so quickly overwhelmed that he had to wonder if the transformation allowed Chase to simulate some of the abilities of the fictional canine.

"Came with a little something extra , too," Chase was gleeful about the look of shock on her brother's face, seeing the slightest bit of a happy curl on his lips. "They said this would make me into your ideal fantasy...and for what it's worth, I've got a greater appreciation of how hard it is to walk with one of these, now."

The rest of his transformed sister's display was so impressive that Mack hadn't even noticed the full, pink flesh of a cock hanging between her kneeling legs, swinging just slightly with the weight of a proper hard-on.

"...Well, I mean...t-that's not to say that you need to have one of those, but y-

"Uh huh," Chase interrupted his excuse, putting one of her thicker pawpads to his lips. "You gonna try and capture me, or are you gonna find out what happens in the game when you supposedly 'white out,' big brother?"

Chase didn't know enough about the games or the creatures within to know what she could have done to her brother, but just as she'd been warned, she was equipped with a fiery lust and a greater scent than she usually had.

If she'd been thinking clearly, she would have realized that the potion started an artificial heat cycle in her body, but then...she'd always struggled to think clearly when she was in heat, before.

"I'm...I'm all out of usable Pokemon, aren't I?" Mack realized, but the tone of his voice was hollowed, lending to a lack of genuine thought or function behind those words. "How can I possibly capture you like that?"

"Sounds like you lost, to me," Chase replied. She wasn't as familiar with the mechanics of the game, but she knew enough to play along...and as she did, she climbed further up the length of her brother's bed, dragging both the warm, drooling petals of her womanhood along his thigh, and letting the tip of her newly granted cock pulse against the base of his abdomen. "And you don't have any money to pay for your loss...but then again, what use would a Pokemon have for money, anyway?"

Her womanhood was just brushing along the underside of his twitching length when she pressed her thick paws down to his shoulders, pinning him in place for the duration of their fun.

"What...w-what would a Pokemon have use for, then?"

"They have Pokemon breeders in those games, don't they?" she asked, seeing her brother's eyes lid slightly; she knew she had him in her clutches, but couldn't have guessed that her scent was leaving him in a state of hypnotic suggestion.

"Well, t-they do, but not like t-

Leaning over and pressing her lips upon her brother's own, Chase silenced what she thought would be another excuse, rather than a clarification of the roles that people played in the game.

To have her muzzle pressed to his own was already a delight that he couldn't have prepared for, but all of her sauntering and teasing before hadn't prepared Mack for such a sudden, aggression approach; he was helpless against the eager press of her tongue, unable to keep it from sliding through the pitiful resistance his lips could offer.

As that warm, slick appendage draped over his own and pinned it to the floor of his maw, one paw reached back between the legs of the intertwined canines, gripping Mack's penis by the base and holding it upright for her petals to roll back against.

Wonderful as it felt to tease her canine petals with the tip of her brother's length, Chase could feel the natural desires of her heat being compounded with every touch: she needed to line up his length just right, and her pleasured was just barely stifled by the confines of their kiss as her inner walls greedily took the length of his cock.

My favorite Pokemon...is actually fucking me...asking me to breed it...

He was completely under the spell of Chase's approach at large, but neither of them knew of the genuine, hypnotic effect of the Prebudila: Chase only knew that she was the embodiment of her brother's fantasy, and her arousal was that much greater for the same...

...She didn't know that she could literally bend the lucky collie to her whims, forcing him to fulfill the only request that she'd made of him.

"_Mmmn..._mmhn! You s-sure they don't have breeders like this?" Chase asked, only daring to break their kiss so she could pose the question to her brother's over-stimulated mind. "Cause it sure f-feels like you're trying to breed me, Mack...like you're finally getting your chance to breed your little Rockruff...and you're t-taking full advantage!"

It was only a matter of time before Chase gave the command and sealed their collective fates, but right then, she was having too wonderful a time bucking her hips in her brother's lap to bring things to their thrilling conclusion.

She could feel his length throbbing within her like never before; to have his literal fantasy fulfilled was such a powerful experience that she couldn't blame him for pumping his hips from the bed and trying to meet the intensity of her dropping hips.

"You're not getting close already, are you...?"

The whispered question only barely made it to Mack's ears, just reaching over the repeated creaking of his bed and the thick, fleshy sound of Chase's backside dropping into his lap.

"Only if...y-you want me to," Mack stumbled over his words, struggling as much with his own thoughts as he did with capturing a full breath.

Seeing the impossible sight of a gorgeous, eager Rockruff humping his length with such a pace that her breasts began to heave with each movement, it was hard to blame Mack for his reaction, but with his mind controlled, his body pinned and his arousal clouding what little consciousness he had, the deck was stacked against him from the very beginning.

"Not yet," Chase answered, but she was losing the battle with her own endurance as she rolled her hips back and forth, drawing every inch of her brother's length into her body at the base of each drop, and squeezing the tip with eager, skillful muscles at the end of each move.

She wanted to make absolutely sure that her new trainer wasn't going to run off with any other Pokemon, and she could think of no better method than starting his every morning with an orgasm that redefined what that pleasure could mean to him.

"Just a little...little b-bit longer now, master," she cheered him on, her voice growing raspy with the rapid efforts of her pumping body. "When you f-feel my claws in your flesh, I want you to cum...I want you to blow that whole f-fucking load inside of me, master..."

The title was an ego stroke that Mack didn't know he needed, but to hear it near the peak of the moment was a dangerous thing: he couldn't possibly resist the burgeoning ecstasy of his orgasm much longer, but to know that his favorite Pokemon was in need of his very best efforts, he couldn't possibly rest his hips.

Pushing up with his shoulders and fighting his sister's pinning posture, Mack gave it everything he had, meeting with her body on every pass and driving his length as deep as her inner passage would allow, until he could feel the excess juices of her arousal spilling all the way over his sack...just in time for that loose, pliable flesh to become taut, tensing around his swollen orbs.

"Yes...y-yes...yesyesyes, Master! That's it!" she cried out, sinking her claws into his shoulders and bucking down hard on his cock, wanting nothing more than to feel the weight of his knot seal inside of her heated passage.

With his body driving up against hers and following her hypnotic orders, Mack gave his sister the full weight of that thick, wide bulge, spreading her petals with a delicious stretch and forcing them to seal tight again on the other side of his knot.

"Oh...f-fuck..."

Just on the other side of the seal, Mack's length twitched and throbbed with orgasmic delight, spraying the full, canine volume of his juices inside of her and soaking her womanhood with a fresh load of cum, just as the newly equipped Rockruff returned the favor.

With one paw wrapped around the base of her length, Mack was shameless in helping his sister experience a vaginal orgasm, just seconds before he finished the other half of the job, milking the cum right out of her newly grown cock.

"M...Master? O-oh, oh my gods...I didn't t-think you'd do that!" she cried, finding that her use of hypnosis over her brother wasn't the exact science she'd hoped for; desperate, heavy panting told that she wasn't entirely upset about the surprise. "Goodness, t-that's...that's so much more than I thought I'd make...there's no way you'll be able to hide all that evidence!"

Mack was panting hard, his chest heaving with every breath that followed the peak of his release. Thanks to the shifting motion of his flesh, trails of white, creamy seed were spilling down his torso in uneven pathways, marking his fur with the potent yield and alluring scent of his favorite Pokemon.

"Now the whole town's gonna know that you bred your Rockruff," Chase teased, her words following her body as she leaned her quivering figure into the puddle of her own cum, her brother's knot still throbbing within her. "And your own sister, to boot..."

Still on the end of her hypnotic leash, Mack couldn't hope to realize the gravity of what he'd done, but thanks to her suggestion, there was a swelling of pride about him to know even a hint of that reality.

"A good master always gives their Pokemon just what they need, right?" he asked. "And I've always wanted to be the best..."

Chase giggled, hearing a certain song in the back of her mind, at that. "Then we'd better keep training, big brother. You've got a lot of badges to collect."

He was more than happy to get started on that collection, no matter what his favorite Pokemon asked of him...but there were more than a few roadblocks on the way to his becoming a true master.

"...So...would your new girlfriend like to join us for dinner tonight, Mack?"

Their father was standing in the open doorway, finally making his presence known; Chase had never closed the door behind her, and their lovemaking wasn't what one would call a quiet affair.

_How in the world do I explain this one to Dad?_Mack wondered...but he hoped a feverish nod would suffice for an answer, for the time being.