My Brother's Keeper

Story by Kalan on SoFurry

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#4 of GenderShifting

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For a more serious book, experience the Dragon's Storm Trilogy. Where a mage's transformation leads to war, love, fear and deception.http://www.thedragonsstorm.com/#/trilogy


Josh made his way up the front steps the house with a sigh. He was tired, more than tired, from soccer practice. He had spent most of the time chasing the ball around and missing every chance he should have had to catch it. At the best of times he managed to block it, but by the end he was frustrated, dirty and angry. The wolf shook his head back and forth so that his thick grey-white fur fluffed up a little bit. It would be so much easier if he was done having growth spurts. His paws were still far too large for him and they got tangled into everything when he wasn't looking. He'd waited after practice for his sister to pick him up and had grown more and more annoyed that she didn't come. She ended up frustrated and ready to curse when he had thought to check his phone for the time. And there was Kelly's text message telling him she wasn't able to pick him up because she had to stay after for school.

He'd wanted to throw his phone down on the ground right then and there, but had resisted the urge. He'd finally shouldered his bag and trudged all the way home with his ears pinned back against his head. It wasn't the sort of day he really liked, in truth he wanted to crawl into the AC and just fall asleep. His parents were out of the country again for another seminar though which meant his older sister was in charge. She'd been firm from the get go that he needed to make sure that he was helping when it came to chores. He'd probably get home and have to cook dinner or help with the dishes. Even with those thoughts the moment he stepped into the AC he felt most of his anger relaxing entirely. The chill ripple of the breeze ran through the thick fur along his head and took away much of the heat that he'd managed to build up.

A quick glance around showed him that his sister was no where to be found. He poked his head into the kitchen and even down into the rec room in the basement, but no one was about. He furrowed his brow before remembering the text message again and gave a slight shrug. She had probably forgotten a club or some sort of meeting that she needed to attend. At least he could relax until she came home. With that he went running up the stairs two at a time tapping into a hidden reserve of energy to get to the safety of his room. The moment he moved to open the door he realized that there was something wrong. For one, the door was already part way open and for two he could smell his sister on the air. He opened the door roughly with his fur bristling as he expected to see that she had cleaned his room, instead he nearly ran head first into his sister.

Kelly was a few years older than him, but she was nearly the same height. She'd never be as tall as their father. For all of that she had a personality that was hard to match in any other person. She was quick tongued and quick witted. She always had a joke on hand to share and quite often she used those jokes as a way to make other people back off. She had a cinnamon and black color to her that gave her a unique appearance in the full light, almost as if she was peppered with copper over the edges of her long hair. Her ice blue eyes stared at him and her lips were curled up in a smile as she gave her thick furred tail a wag back and forth before giving a bright wink. She didn't try to hide anything, she wasn't scrambling to shut any drawers so Josh grudgingly admitted she hadn't been up to anything too bad.

"What're you doin' home?" He finally asked when she didn't greet him, "I got your text, you said you were going to stay after school."

"I did, I thought you'd be home before me." She tilted her head to one side and sighed, "Did you forget to check your phone again? I told you I'd text you if something came up!"

"I was busy!" He protested and wilted a little it at the reprimand. "What're you doin' up here? I just cleaned my room two days ago it's not that messy yet!"

"Actually I was waiting for you." Her plush tail started to wag faster behind her, "I was hoping I could give you an early birthday present. I know Mom and Dad won't be home for it, so it seemed fitting."

"A present." He perked up a little bit and Kelly took out a blue foil wrapped package from behind her back and offered it to him. "This is awesome! Thank you!"

The wolf boy couldn't quite quell his excitement. He'd been settling into his birthday as being something to be dreaded rather then look forward to it. His parents were gone, they weren't allowed having parties, his sister was the only one in the house. In fact he half thought that he'd end up with his Grandmother over annoying him and he'd have to find a way out of it. He studied the package a little bit and was a bit disappointed in just how thin it was. It was as wide as a soccer ball, but only two inches wide. He sat on the edge of the bed and eagerly tore the paper away to reveal a plain white box, but when he opened it his excitement faded. There was cotton on the bottom and on top of it was a simple leather and metal collar like one would put on a dog. To complete the picture there was also a bright silver tag carefully arranged so the lettering faced up towards him. "Josh." He flattened his ears back and lifted his eyes angrily towards Kelly ready to tell her to get out.

To his shock his smaller sister suddenly launched herself at him. He yelped and tried to push away, but she got the upper hand easily enough. He had never been one to fight back or even be that dominant around people. He wriggled and twisted as he tried to get out from under her, but she put her knees on either side of his chest and pinned him down against the bed. He barked out a sharp noise when he saw her go for the collar and even though he tried to dodge it she edged closer towards his head. His eyes widened a little bit and he tried to tuck his chin down, but it was too late. The collar was wrapped around his neck and she buckled it firmly just beneath his chin. A bright shiny metal tag dangled from it and bumped against his fur as she tumbled to one side with a laugh. He was panting, but she was barely out of breath! It wasn't fair!

"What the hell, Kelly!" He moved his hands up to try and get under the collar to find the buckles so he could get it off. What was she thinking?!

"Stop!" The moment the words left her mouth he froze and worked his jaw a little bit. It was as if his body didn't want to obey him. His mind strained to exert his will, but his fingers wouldn't move an inch further towards the collar. "There's a good boy!"

"Kelly, stop this.." He got the words out from between clenched teeth as his mind tried to wrap around just what was happening. Why was she doing this? "What's going on?"

"I wanted a pet." She perched herself on the edge of his gaming chair and tilted her head to one side. Her eyes danced with merriment. "I knew I couldn't get a dog, Mom and Dad wouldn't let me. No canine family owns a dog and I don't like cats. They're too independent. Then I remembered I have a very sweet submissive brother.." She paused as the smile grew a bit larger on her face. "You."

"I'm not a pet!" He finally gave up trying to get his fingers towards the collar and dropped them down. The moment he did his entire body relaxed from its earlier compulsions.

"Not yet, but you will be. That collar was especially made just for you." She held up a bracelet on one hand that matched the collar completely. "You'll obey me just like the good dog you are. If you're smart and quiet you might just be the best pet anyone has ever had, if you're not smart and quiet, then you'll get into some trouble."

"This isn't right! I'm not a pet, I'm your brother! You need to let me go and I mean it." He tried to put a threat in his voice, but it fell flat. He'd never been good at sounding tough, even now he knew that he was failing completely.

"No, I don't need to let you go. I always knew you were too submissive to be anything other then someone's property and now you'll be my property. I've been thinking about this for a long time you know." She added almost to herself before standing up. "Come!"

Josh tried to stop himself, but his body didn't refuse. He stood up jerkily and found himself walking stiffly towards her. His eyes went wide as he walked stiffly out of his room and followed her. He wanted to stop himself, he did try, but he didn't stop until he reached the hall and she told him to. He felt his ears flush a hot red as he stood there in front of her unable to do more then move his mouth and lips. He almost asked her what she wanted him to say that would make her stop this when she gave a slow wicked grin that ended with her tongue lolling from between her sharp teeth. The sight made his fur stand up along the back of his neck until she gave her next command. This one made him let out a sound of protest, but she just repeated it louder the second time around.

"Strip!" Her voice was harsher and his hands were already moving towards his soccer shirt. The boy clenched his teeth a little as he struggled against the impulse. "Come now, Josh, pets only get to wear clothes for very special occasions. Let's get that shirt all the way off."

"Please, please Kelly, stop! I don't want too!" His protest came out muffled as he drew his shirt off revealing the soft pale underbelly and the thick spill of fur there. He bit his lip a little bit while he looked to one side, but his hands were already moving towards his pants.

He tried to quietly plead, but she was avidly watching him as he undid his jeans and started to wiggle the tight pants over his rump and freed his tail entirely. The edge of the jeans pulled down and tugged briefly right against his sheath before it too came free and the softness of his heavy balls came into the light. He tried to tuck his tail down to cover himself, but it didn't work. He was forced to pull his pants entirely off until he was standing there nude and trembling in front of her. His sister's eyes ran up and down along him for a moment before settling right at his loins and his embarrassment spiked. Why was she looking at him there? She shouldn't be looking at him there! He was her brother! He let out a soft sound that drew her gaze up before she turned around and led him into her bed room and shut the door firmly behind her.

Kelly's bedroom wasn't something he came in often. It was girlish to his way of thinking and it always made him uncomfortable coming in here with or without him. However, she had done some redecorating since he'd last poked his nose in here a few weeks ago. The first thing he noticed was that somehow the desk that normally was downstairs in their father's work space was now up here in her room. It took up a good portion of one wall and the computer was hooked up and positioned in the same way it had been downstairs. He bit his tongue to stop from pointing out that their father had told them they weren't supposed to be online without them here. The rest of her room was decorated a bit, but what caught his eye was the pair of plastic bags with the local pet stores logo on them. Was that where she had gotten his collar?

"Good boy, Josh! You're such a good boy!" Her praise came in the form of a cloyingly sweet voice and he winced a little bit.

"Please, let me go. Let me put my pants on!" He couldn't but beg as his cheeks felt flushed a deep red coloration.

"Why should I? Oh who's a handsome lad!" The last tone was in the same sweet tone of voice as the first one. "Sit! Sit, boy!"

Josh's legs gave way as he sat down on the edge of the bed which prompted her to lean over and start to dig around in one of the bags from the pet store. He felt a mild stab of worry on what else she could have gotten, but when she stood up she wasn't holding anything that looked horrible. Or at least not big. He had been scared she'd pull out a leash or one of those electric collars or something degrading such as those horrible outfits people dressed their dogs in. She held one hand in a fist before padding up to him and opening it up to reveal a hard crunchy round dog treat on her palm. He turned his head to one side, there was no way he was going to go near that thing! It smelled sharply of wheat flour and dimly of something meaty and stale.

"Be a good boy, eat your reward." She purred he words towards him and his ears splayed to either side before his muzzle started to move closer to the treat.

He wanted to sob, but all he managed was a whine as his tongue flicked out and caught the treat up. It didn't taste revolting, it tasted chalky and vaguely like some meat product, but it was the idea of what it was that offended him. She had fed him a dog treat for sitting! He forced himself to swallow the crushed up treat and gasped out once he had. The gasp wasn't from the treat, it was from the paw that had run down and found his sheath. To his horror Kelly had used his distraction with the treat to run the palm of her hand against the soft fur along his lower belly. He tried to squirm away, but he was held still by a sharp command. The fingers rubbed right along either side of his sheath and started to brush back and forth against the pouch of skin until he knew she could feel the boned shaft that rested inside of it.

"I'm your brother!" He let out a yelp of protest only to feel the fingers dropping down to rub along his balls. She kneaded and rub bed them, most horribly it wasn't altogether unpleasant.

"You're my good doggy." She overrode him firmly. "But if you really want me to stop touching you, I can." She ended her words with a finger swirling right along the very tip of his sheath almost pushing it down. Despite himself he knew he was starting to respond. He'd never touched anyone before this or had someone touch him! The indignity and the humiliation was almost too much.

"STOP! PLEASE!" He gasped out the words as his cheeks turned a deep deep red. As red as the cock tip that was starting to slide free from his sheath.

"Alright then, that's all you had to do." She grinned and he saw her sharp teeth catch the light. "If you don't want me to touch you I won't. You'll touch yourself."

"Wh-what?" He stuttered and tried to ignore the fact that an inch of his cock was showing as she padded towards the computer desk.

"You heard me. You'll be a star once you make your debut." She licked her lips a little bit. "Be a good dog, move your paw up and start to work over your sheath. I want you to jerk off for me like a gooooood puppy."

Josh wanted to be anything other than a good puppy, but the collar didn't allow him that escape. With a cry that was almost a sob his hand moved up and cupped against his sheath before starting to rub. Despite himself, he was already slightly aroused, the touch of his palm against his sheath and the fingers that brushed right over his exposed cock was too much. Slowly he started to push out of his sheath and higher up into the air. The glistening cock tip stood out brightly against his pale belly fur while he let out a keening whimper in his throat. He tried to look at anything in the room to try and stop the steady build of arousal that made him harden. What he found was Kelly leaning over the desk and arranging a small round webcam at him with her eyes on the screen. She was recording this? Who was showing it too?

"Please, I don't want too, please." He tried to beg again, his breath coming a little fast as he rubbed his sheath right down around where the thicker base of his knot started.

"I think your other hand should help, use it on your balls and your other hand to take care of yourself how you normally would. I want to see this." She all but purred those words out at him as he choked out a soft noise.

Josh turned his eyes away from the camera as his formerly free hand travelled down to cup right against his softly furred balls. He hadn't touched himself in a few weeks, they were heavy and full to his seeking fingers. He rubbed along them while his other hand moved up to wrap around his cock. The smooth glistening flesh was sensitive to his touch and his hips jerked in response as he used his fingers tips to tease right at the tapered tip. A splatter of precum spilled out to catch right on the pads of his finger and he rubbed slowly back and forth as he fought not to squirm. He could feel the thickest part of his base pushing out as his sheath was pushed down further. He teased himself just like he would have if he'd been in bed and alone thinking of some cute girl at school. It was the most humiliating experience of his life.

His fingers moved down wrapped around his cock before he started to slowly rub himself. He moved down from the tip all the way to the start of his knot before back again. His other hand gave a firm squeeze right around his balls so that he let out a sharp bark of shocked pleasure and rocked his hips up. He tried to fight away the pleasure, but it was building whether he wanted it too or not. His lack of visual stimulus didn't matter, neither did the fact that he was being recorded. What mattered was the feel of his hand steadily pumping along his cock. He started to rise up to buck into his own touch so that his knot pushed into his closed fist and spread it open wider. He lolled his tongue out a little and let out a groan that was dimly echoed across the room from him. His eyes almost bulged at the sight right across from him.

Kelly was watching him intently, but her legs were resting right on the edge of the desk. Her hand was sliding between them as she stared at his cock almost hungrily. He let out an almost pained noise as he realized he could see his sister's mound and her fingers stroking over the silky outer lips. He'd never seen her naked, not since they were adults, now he could see the soft thick outer lips and the flash of her clit. Her finger rubbed back and forth slowly until he felt his body respond as he twitched his nose and started to pump his hand faster. His knot was being pulled in and out of his hand each thrust as unwillingly he imagined the hot tight grip of something else around him. He flattened his ears down against his head as viscous splatters of precum hit right against his pale belly fur leaving trails running down towards his loins.

The hand that he moved along his balls started to rub just behind them as they found a sensitive ridge of flesh that made him tense up. His breath came faster and before he could stop himself the hand on his now slippery cock wrapped tightly around his knot as he hunched forward and let out a muted cry of pleasure. His balls drew up under his touch as his knot ballooned out wide and his entire cock thickened. The first hot rush of cum was forced upwards until it splattered right out against his chest and down along his legs. His hips tensed as he snapped his teeth together to try and hold back the soft moan that threatened to break free as time and again hot gouts of cum erupted from his tip to hit against his fur. The orgasm leaving him feeling dizzy and slightly disoriented as he whimpered. He'd even forgotten his sister, she hadn't forgotten him.

"Not bad, I'm sure you'll be better and bigger when you're an adult though." Her voice cut through him like a knife and he flashed his eyes open wide in response.

"Wh-what?" He panted and realized that he was still staring at the webcam. The webcam that had watched him pawing himself off and groaning since he had started. It had seen everything. A rush of shame came over him. How could he have done this?

"Drop your hands, I want you to get on all fours and come here." Her words were sharp and he trembled as his hands left his throbbing, still spurting cock to bounce against his chest.

Josh moved slowly to all fours with his body still shaking and feeling unsteady after his orgasm. The carpet was soft under his knees and he watched as a fresh pearly splatter of cum trailed out from his tip to darken it. He crawled like a dog with his tail tucked down between his legs in humiliation as he made his way behind the desk and kept his eyes down on the ground. What did she want from him? Did she just want to humiliate him for no reason? Was she trying to make a point that he was missing? If there was a point, it didn't seem to be one he wanted to get. He found himself staring at her long bare legs and the pile that had been her panties and pants cast to one side. Before he could look up to see if she really was still bottomless one leg caught him on the shoulder. Her foot paw rubbed against his shoulder as the chair creaked a little bit when she leaned backwards.

"Now that you've had a good time, time to treat your sister. Lift your head up, my good boy, I want you to use your tongue on me." Josh rolled his eyes up and trembled as he stared at her soft inviting mound hovering just a foot away from his muzzle.

His breath came out in a rush of sound and his entire body quivered. It didn't make things any better that his cock was pulsing against his stomach with the knot still spread wide. After a moment he moved his head up until he was nuzzling against his sister's inner thighs. The sweet scent of her assaulted his nose and sent a rush of pleasure running down along his spine. He moved his nose up closer until he hovered just near the plush outer lips before his tongue stroked out in a single powerful movement. The broad appendage spread out as he rubbed over her folds and tasted the slickness running along her tongue. Despite what his mind might have thought of it, his body went tense with a sudden surge of desire. He heard a clicking noise on the desk above him, but dismissed it as he drove his tongue between the folds.

The moment they parted he felt the soft inner folds parting all the way up until he was nuzzling and rubbing along the bud of Kelly's clit. The swollen bud rubbed against the edge of his tongue and he heard a sudden cry above him as he started to swirl it around in steady circles. He coaxed and rubbed as he tasted the wetness spread and despite the humiliation of it being his own sister he couldn't help himself, he lost himself in the erotic pleasure of feeling the female buck and squirm under his tongue. His hips rocked slightly as he moved his head down and let his tongue tickle and then spread to soft passage open. The feel of velvety muscle embracing his tongue almost made him lose control entirely before he drove his tongue inwards with a sharp hard thrust. The walls parted open and snugged around him before he started to draw his tongue in and out with steady full movements.

A pair of pale cinnamon paws came down and clutched against either side of his cheek making him hold still as her hips ground up against him. Her clit rubbed against his nose so that he was overcome with that erotic scent while his tongue pulled and worked the wetness from her passage. It rolled over his tongue until he was breathing in fast short bursts of air and started to use his tongue to thrust in and out. His eyes squeezed tightly shut so he could not only concentrate on the taste, but the sounds going on above his head as Kelly cried out and started to pant shallowly herself. He drove his muzzle forward and let out a sharp growl of pleasure that he couldn't stop as his tongue strained to push all the way in and swirled along her passage until he felt a slightly rough patch right along the upper part of her walls.

Kelly let out a sharp cry that echoed in his ears as her leg curled tighter around his shoulder and her hips rose all the way up from the chair. For a moment Josh couldn't breathe as her entire form tensed and started to tremble against his tongue. The slickness grew thicker and richer on his tongue as he rolled it around and started to drag it out or at least he tried. Her orgasm alternately put him in a state of embarrassment that he'd done this to his sister and pleasure at knowing his tongue had done it. It was a shock when she finally relaxed her leg around his shoulder and let her hips drop back down against the ground and he was left trembling with a damp muzzle and his tongue lolling out and hanging down a little. His cock had started to soften against his belly as his sister luxuriated in her own afterglow above him. Only after a few minutes had passed did her eyes open and a smile curled her lips that he did not like at all.

++++

The days that followed were horrifying, tantalizing and embarrassing to the young wolf. In all his young years he had assumed when he found love and found his sexuality it would be something he sought out himself. Instead his sister had snatched that from him and introduced him into the pleasures of the flesh, but not as a young anthro, but as if he were a feral. The night after he had been forced to eat her out she had made him curl up at the foot of her bed still naked and sleep wrapped around her covered feet. The night had been long and uncomfortable, but he had eventually slept fitfully as his dreams had been inundated with images of his sister above him. The taste of her sex and the sounds of her orgasms had chased into his dreams until he awoke with the uncomfortable sensation of being hard against his belly.

Kelly hadn't let him enjoy himself or even go to the shower in the hopes of relieving the uncomfortable pressure in his cock. Instead she had stroked her fingers up and down him as she ordered him to roll over and hold still. He had suffered through her touching and exploring him as he whined and tried to thrust up, but she hadn't worked him to his peak. Instead she had teased the first drops of precum from his cock tip and then moved her hand away and ordered him to follow. He had been mortified as he padded behind her from the room and she'd told him to get on all fours and follow behind her. The steps had been so hard to navigate he had nearly fallen down them, but he had managed somehow. His cock bobbed painfully hard beneath him as she led him into the kitchen and introduced him into his breakfast for the day.

A bright pale blue bowl had been waiting on the floor with his name on it. Small multihued bits of kibble was piled high and she had perched to make herself breakfast as she watched him. He'd been revolted at the sight and smell of it. He'd tried to protest, but she had simply told him that he would eat it and he would enjoy it. He had fought and struggled against the collar's power, but it hadn't worked. Eventually he had lowered his head and scooped up the first mouthful of the kibble and crunched down on it. He shuddered slightly at the taste of it on his tongue and tried to resist swallowing it, but his jaws kept snapping it up. To his shock it tasted almost good. For a moment his ears darkened to red at his own minds thought process, but then he recalled her command that he would eat it and enjoy it. It made his humiliation just that much more sharp as he had gone for another bite under his sister's watchful eye.

Josh's days followed that pattern of waking up and then being forced to eat kibble for breakfast. Afterwards she would allow him to dress for school, but he was never allowed to cover the collar up. It didn't even look decorative. He'd have been less embarrassed if it had resembled some of the spiked collars the other kids wore, but instead he was forced to walk around with an actual dogs collar and tag on. The second day he'd gone out his sister had found a second tag to add on, one that had registration with the city on it. Even if he had tried to hide it, now the tags jingled together calling attention to his humiliation. His days at school became somewhat of a torment. Each day he came home he learned to close the door firmly and then strip down naked. The moment he passed that door he was a dog, his sister's dog and expected to behave like one.

He'd drop down to all fours and upstairs where he was expected to use his tongue in her service. Sometimes she'd let him touch himself, other times she made him remain hard and aroused long after he was done. Dinner would be another round of kibble and if he had behaved well she'd allow him to have a bit of dried jerky as a treat or allow him to play with a toy. It was the sixth day that this pattern had gone on and he had come home from school with a mingling of dread and relief. Relief he was no longer being teased at school and able to be safely indoors. Dread at working his tongue over his sister's mound and then possibly left hard and wanting all evening. He stripped his clothes off and placed them neatly beside the door before dropping to all fours. He'd almost gotten to the stares with a soft whistle stopped him.

"Aww there's my good dog!" Kelly chirped out and he splayed his ears a little. Despite the degrading tone, his tail started to wag back and forth. "I was hoping you'd get home soon."

Kelly was perched on the edge of the couch with her eyes bright and smiling. One of her fingers was playing along the wrist band that kept her in control of his collar and him. He started to turn towards her half shocked she was downstairs. Normally she was upstairs and ready for him to service her, today she flaunted her nudity casually on the couch as he came up closer to her legs. He let out a soft breathy whine as the young wolf brushed his nose against his sister's knee lightly and then the scent hit him. Oh she had always smelled lovely, it was one of the reasons he found it so hard to resist her commands. Today the scent of her with a sharp tang that hit his nose and made him start to pant shallowly to himself. It was flooding his mind and even before he rubbed his nose against her upper hip he could feel his cock starting to slide free from his sheath with arousal. To his surprise one of her paws dropped to lightly push his head away from her upper thigh.

"Oh no, we're going to do something far more fun today. You're going to help my heat out." She said slyly and Josh felt a jerk of shock run through him. Despite having taken to not talking he couldn't stop the outburst.

"You want me to knock you up?!" He yelped out and pulled his head back from her leg. It was repulsive and frightening that she would want that, yet his body felt a sharper flare of desire to feel the heat his sister was offering.

"Oh of course not! I'd never let a common dog knock me up, you're just going to help make the itch go away." She turned her head to one side, "Stand up, boy, let's see you."

Josh was a bit surprised at the rush of disappointment he felt when she told him that she wasn't going to let him breed her. He squashed that feeling down as he stood up a little unsteadily and blinked his eyes as she came in close. Her fingers trailed right along the soft fur of his chest and then dropped down until she gripped his sheath. She gave a squeeze that made him groan out so that more of his cock started to slide free and the girth crept up higher along the soft curve of his stomach. Her fingers rubbed over his tip and he hunched forward eagerly into her touch. The soft touch made him started to harden faster until he let out a rush of precum against her finger tips that she used to rub down him until he was gleaming. Her fingers pushed down and forced his sheath down over his knot so that it popped free.

"Not bad, but not good. You're not nearly large enough, pup." The words were like a splash of cold water and he jerked his head up. He wasn't THAT small, was he? "You'd barely make me feel a thing with this."

Kelly's fingers gave a playful pull against his cock tip that made him tremble before whimpering out under his throat. His cheeks flushed in humiliation at what she had told him and at the same time he felt outraged that she would call him small. The fingers rubbed a bit more firmly against his cock until he whimpered out again, the boy trembling with need that didn't care if he was embarrassed or not. His sister gave a soft grin before she leaned in to softly whisper against his collar. He couldn't even catch the words, but the moment she did a line of heat ran from it and seemed connect to his dark crimson spire. He let out a harsh call and dropped forward onto his knees away from her touch and moved his paws down to himself trying to find out what she'd one and what was wrong with him.

He could feel the smooth silky flesh against his finger tips, but pressure was starting to build rapidly. It threatened to spill over as his cock throbbed and sent out another hot rush of precum against his stomach and then over the edges of his finger tips. He leaned forward and sucked in a breath as the heat grew along with the pressure. He couldn't decide if it felt horrible or if he was starting to feel pleasure mingling liberally with the pressure. His fingers started to be forced apart and he forced himself to look down to see his dark red cock start to grow. He'd thought he was an okay size, but now he watched as the flesh strained and stretched wider and wider. The girth pulsed and throbbed as a hot dribbling of precum ran over the edge. Where he had been a good six inches with a sizable knot, he now stood nearly ten inches, the thick base just bulging with a hint of what it would become and the tip brushed the top of his chest.

"Mmm see now? Isn't that better, now you don't look like you're hung like a puppy." Kelly taunted softly while he gaped at himself. It was large, too large!

"What are you gonna do?" He managed to gasp out as his body trembled in the after effects of the change.

"Come here, there's a good boy." He walked stiffly towards her so that her fingers rubbed along his cock tip trailing back and forth, "Now you're going to mount me and make my itch go away." Her smile turned wicked, "Don't worry, dear brother, you're a pet, not a person. I've made sure you're not fertile at all. This will just be for my pleasure."

Josh stiffened at those words. Not fertile? He glanced down and saw his balls still hanging there, but if what she said was true if he tried to mate with her it'd be useless. Would it always be useless? Was he trapped like this? The questions tumbled through his mind and were cut off with a sharp command from his sister. She was grinning as she placed her hands right on the arm of the couch and flicked her tail to one side. He could see her dark vulva from between the thick white furred rump cheeks. The outer lips looked swollen and strained with her heat, a slick coating of her arousal gleamed on them and he sucked in a breath before whimpering it back out again. Her scent was still in his nose, his body wanted to more than anything in the world. He moved slowly towards her as his breath came in great gasping breaths.

"You know how to greet me. There's my good boy." She murmured as he dropped down onto his knees behind her.

The young wolf hovered for a moment just over those folds that gleamed so invitingly towards him before he extended his muzzle out and drew in a deep breath. He nearly keened out at the sweet scent of them and his newly enlarged cock flexed against his belly before he ran his soft tongue along the outer edges of it. He slowly stroked along either side of her thighs making her let out a hiss of breath as he worked inwards. The sweet taste of her rolled on his tongue as he came closer to the pursed tight lips and he started to breathe shallowly so that the hot blast of his breath rushed over her. Only when he felt he couldn't take anymore did he turn his head and then drag his tongue in a slow hot line between the folds that made his sister lean forward and moan out. The movement parted the folds open so that he could graze along the clit.

Kelly even felt hot against his tongue. It was intoxicating and he was nearly whining with every breath as he started to lick her harder and faster. For the first time he felt truly like the dog she treated him as he lapped and licked at her. Thirsting for the taste of her, eager to explore the new scent and his tongue bathed over the clit and curled around it. He leaned forward and pushed his tongue into her to stroke through her passage. He could feel the heat of it clutching at him and almost suckling at his tongue, but that only made it that much more intense. He let out a throaty groan as he moved his tongue in and out. Each time he pushed in he let his tongue spill deep into her passage as he could get and flicker upwards to tease the heat of her body before dragging back out again. He squirmed slightly and then flicked his tongue back out when he felt a tug on one of his ears.

"That's..my good boy.." She panted out and shifted her tail to one side entirely. "Stand up, I want you to mount me. A good dog knows how to please his mistress."

"Mount..you.." His words trailed off, his mind felt as if it were fogged over with something he couldn't quite name. He stood up shakily and felt how his cock throbbed against his stomach and pulsed with desire.

"That's right, and if you're very good I'll let you cum as a reward." Her promise was throaty even as he found himself staring at the presented curved ass.

The wolf pup whimpered a little at that, but what could he do? He moved his hands to his sister's hips and gripped them slightly as he leaned over her. Her soft furred back pressed against his chest and tickled him there while he panted softly against the back of her neck. His cock rubbed upwards along the line of her ass as he gave a few abortive thrusts and he could feel the soft crease of it teasing his now large cock tip. Suddenly a hand wrapped around his base and he lunged forward with a sharp yelp only to have the hand tug harder against him. The movement forced his hips backwards until his drooling tip was lowered and felt the swollen mound kissing right against him. He groaned out to himself and shuddered at the feel of that velvety heat and gripped a bit harder with his hands. The moment the hand let go he had tipped off the edge of no return.

His hips slammed forward and drove his cock into the soft passage he had so often bathed with his tongue and felt the tightness of it wrapping around him like a second skin. His sister's sharp cry made him draw back feeling the way the muscles rippled before shoving forward again. The very tightness of her body made him have to fight to gain purchase inside of her. The slippery wetness of her heat was being pushed out and wetly ran down along the edges of his crimson shaft as he muffled a soft cry. His tip jerked up and down sending out a hot pulse of precum before he bucked forward again and started to work in steady hard strokes trying to force his way deeper. His sister's hips pushed back to meet him as she let out little moan under her breath. The movement of her body made the walls clamp down tighter around him just as his large knot pushed up snug against her folds.

It was everything he had thought it would be, everything he had imagined the first few times he had touched himself. It was hot and slick, the walls rippled and tugged around him as if coaxing him deeper. Josh trembled above his sister and let out a ragged little call before thrusting again and the movement drove his knot up against her folds until he could feel her clit pressing against him. He flicked his ears back against his head and rested his muzzle against her shoulder as he gave into the need and started to thrust in sharp smooth strokes. The movements pulled and tugged at the passage that wrapped around him and forced her wetness out each time. His balls swayed and bumped against her inner thighs as he let out soft whimpers and cries under his breath. The sounds came out faster as he started to push his hips forward with almost desperate movements.

Kelly wriggled and arched beneath him, her back bumped upwards as her legs spread a bit wider. Each time her hips hit back he could feel himself spreading her folds open wider around the slight swell of his base and he had to bite his lip to stop from crying out. The tip of him kept spilling out hot splashes of precum into her unprotected body. Somewhere he knew that he couldn't get her pregnant, that he was being used as a toy for her own body nothing else, but his body didn't care. His breath hoarsened as he gave a harder thrust and let out a sharp cry as his knot strained her opening in a tight ring. The sudden lurch forward popped it inwards before Kelly pulled her hips away and it came out of her folds against with a slick noise. The moment it came free he started to drive himself forward attempting to burrow it back inside of her again.

"Move your paw down, be a good pup and rub my clit." Her voice came out panting, but even as they spilled from her lips he was moving his paw down to obey her.

He could feel just how hot her soft mound was and how sensitive as he found the swell of her clit. His own base hit against his fingers as he pressed against the tight nub and started to rub it in slow circles that made her buck harder against him. His fingers grew slick with a mingling of both their arousals and he started to rub harder and faster. Her walls pulsed around him and tightened until each time he tried to pull back it was harder. His knot was starting to grow and he jack hammered his hips as fast as any true dog. The hot wet lewd noises rang in his ears, but that didn't stop him from his desire to take her. As he pulled out and started to push in he felt his sister tense up beneath his weight and her entire body give a shudder. He ran the pad of his finger a bit more firmly over her clit before she let out a sharp cry.

Kelly's walls closed down so tightly around him that it was painful. He tried to force his knot inwards, but all he could do was tremble as they clenched and pulled around him. He drove forward suddenly frantic to sink entirely into her, but his knot was swelling wider and wider. He let out a breathy cry under his throat in frustration when her walls started to milk and ripple over his girth. With a last cry he thrust his hips forward and felt the outer lips pushing inwards as he strained them open. They slid over his girth sending a spasm of pleasure over his entire body before it popped entirely into her body and locked him in place. He pulled back against his cumming sister's walls and felt them keep him latched in tightly as his cock started to swell wider then before.

"That's it...good boy, good dog..you can cum..." his sister's voice spilled onto his ears and that was all he needed to tip himself over the scales.

Josh buried his muzzle against the curve of her shoulder to stop the sudden cry that spilled out of his throat as his cock gave a flex. His balls pulled up and sent a hot spill of infertile seed into her body to rush deep inside of her. Time and again the thin ribbons of dog cum spilled into her while his tail twitched in time with the pulsing. His entire body was shaking and he opened his eyes as he felt light headed and strangely unable to concentrate on what was happening past the pleasure. He slipped his paw free and felt her wetness and his own precum clinging there as one of Kelly's hands moved back and brushed against his muzzle. At first he thought it was a tender caress until the fingers started scratching his ears back and forth treating him like a dog.

"Mmm good boy.." She murmured, her voice thick with the afterglow of her orgasm. Josh's cheeks burned a hot red as he kept his position locked inside of her providing her with relief.

+++

Later that night after he had finally untied and felt trembling and weak she went to go clean up in the shower. At first he'd thought he should get one too, at least then he'd be able to relax and clean up the scent of heat that clung to him. To his shock, Kelly beat him to it. She ordered him to come upstairs while she prepared her shower and he swallowed roughly at the command. He didn't want to go upstairs, he just wanted to get clean. Yet he submissively lowered his ears and followed up to find her already naked in the tub before she pointed to her feet and ordered him to get on all fours in the shower. He had widened his eyes, but stepped in to feel the hot water pounding against him. He half expected her to order him to pleasure her with his tongue again, but instead he felt cold soap being poured onto his fur.

The sharp scent of it gave away it's origins. It wasn't the soap that people used, it was soap that one bought for a dog. He lowered his head while her fingers rubbed through his fur and lathered him up. She didn't show him any dignity, instead she rubbed along his belly and without saying a word forced his sheath down so that his heavy cock popped free. He tried to pull away, but one of her hands moved to grip his collar as her fingers lathered and cleaned along his cock. She rubbed along his balls and even pushed up to clean beneath his tail. The entire time she didn't say a word, she simple set about washing him as if he were her pet. His flushes mingled with a curious pleasure at her gentle touch and the feel of the warm water pounding against him.

In the end she let him go and finally spoke only to tell him to sit and wait for her as she showered. His damp coat dripped on the carpet as he watched her clean off and then dry off. His eyes slid along her body and despite himself he found himself growing aroused again as he remembered the hot tightness of her passage wrapped around him. In the end he had finally panted out and shivered while fighting off the urge to beg to be allowed to mount her again. Despite that, he still walked on all fours into her bedroom with half his shaft hanging from his sheath as she settled down on the computer and ignored him. That wasn't all that unusual, she spent a lot of time at night on the computer and that at least let him curl up and mull over his strange circumstances.

"You should come over tomorrow night if you're in heat." The sudden noise made his head jerk up and he stared to see his sister on Skype video chatting with one of the fox girls from his school.

"Ohh really? Did you really do it? How was it?" The squeal came and he flattened his ears. She wouldn't, she couldn't...

"It was pretty good. I had to make him bigger, but once he was he did alright." He flattened his ears slightly. "Want to see? I can send you the video of it if you like."

"KELLY!" The words came from him before he could stop, before he could remember he wasn't supposed to talk.

"Sorry, the dogs barking again." She didn't miss a beat, he just hunkered down and tried to hide his face away from the girls talking.

"So I can really come over tomorrow and use him too?" The girl's voice was eager and he shivered.

"Yup! I was going to invite a few girls over. It's time he was socialized a bit, you know how it can get with dogs." Kelly's foot snuck over and rubbed against his side making him shiver. "I've had a huge response since I've been doing a live feed of him every night. Some have had some good ideas and he's so eager. He got hard just watching me in the shower."

Josh tried to close the horrible words out, the embarrassment made him want to squirm. People had been watching him do all those things? Had they watched him eat dog food and eat out his sister? Had they watched him take treats from her hand and so many other degrading things. The idea that they had made his ears darken even more while he tried to figure out what to do. The girls talked over his head and worse Kelly talked about his performance. He had thought he'd done a rather good job, but she made several comments about what needed to be improved on. Her comments about his former size were echoed by the girl on the other end. The fox approved at making him larger so that he was able to accommodate them better. She even suggested making other changes to him for their pleasure!

It seemed to take hours before Kelly was off the computer and in that time Josh had found himself embarrassed to the point that he had almost contemplated crawling beneath the bed. Instead of going to the bed and calling him up however she moved to the foot of the bed and for the first time he realized there was something large covered in a sheet there. He furrowed his brow for a moment, but she soon solved the mystery as she swept the sheet from it and revealed a large wicker basket with a plush dark blue pillow in the middle of it. The pillow was made of fleece and a design of dog bones ran across it. At the very edge of the basket was a large bright pale blue bow like one would see on a present. For a moment his mind refused to figure out what it was.

"I'm sure sleeping at the end of my bed isn't comfy, I thought this might work just a little bit better." Kelly patted the fat stuffed cushion with one hand, "C'mon boy, come get in your new bed."

Josh lowered his head and the soft tone made his tail wag slightly before he gave up and slowly crawled over the edge of the basket and into the softness of the cushion. The material formed around his body as he stretched out on it. It was slightly cramped, but it was better then sleeping at the foot of the bed and contorted around her feet. As he glanced up at her she gave a slow smile and moved to turn off the lights with a flick of one hand. The room was cast into darkness as he shifted and heard the wicker creak in reaction. He was in a dog bed. He was actually going to sleep in a dog bed. He mentally tried those thoughts out as he squirmed again and heard the bed shift as Kelly got into it above him. He sighed a little and rested his head on his arms as he tried to relax to sleep.

"Happy birthday, sweet boy." The words were barely a whisper to him, but it was a shock. He'd forgotten about his birthday entirely! As he was sucked down into sleep he found himself drawn in by a brush of magic. When the sun rose he would wake up as a spotted hybrid of a puppy with a thick dogs coat and the markings of a hyena. Happy birthday indeed.


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