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For Silver K Roo

Shades of Silver

"Silver! Hurry up with my tea!"

The mouse jumped, shaking the teapot he clutched, sloshing out some of its contents and almost scalding himself. Fortunately, the boiling tea landed on the kitchen counter rather than his arm. Once his paw had steadied, he sighed and relaxed. He carefully set the teapot onto a tray, before grabbing a cloth to mop up the spilled liquid. As he rinsed and wrung out the cloth over the sink, SilverRat sighed once more to himself. Sometimes, he could never do enough to satisfy his sister. But all I can do is try, he told himself. I'm a smart, sensible mouse. Even if I am wearing a housemaid's outfit.

The outfit was a classic black dress with lace trim, finished off with a matching hat. Of course he protested when Tiffany first suggested he wear it. And of course she convinced him to do so. A few choice words about the 'little sewer rat's place in the world', and he was decking himself out fancier than a maid at the Chateau de Souris. After all, the absolute worst thing he could do was answer Tiffany back. The experience of countless lost arguments with his twin sister had left the rodent wary of opening his maw. The last thing he wanted was to give Tiffany the satisfaction of hearing him whine in impotent defeat, scratching around for a counter-argument he could not formulate.

Beside the teapot, Silver laid a whole spread: saucer, cup, teaspoons, a plate of biscuits, a jar of sugar cubes, and a little jug of ice-cold milk. With the tray in both paws, Silver proceeded through to the lounge, keeping his long rodent-tail high, well away from his footpaws.

Tiffany was reading in her favourite armchair, her feet resting on a pouffe and her own fur-less tail draped across one chair-arm. Silver crept into the lounge, edgy, with the chinaware rattling on the tray. One of Tiffany's ears swivelled in Silver's direction. She quickly finished off her page, and set the book on a nearby table. She glanced up, watching her brother approach with his head bowed and the tray of refreshments clutched in tight paws. She had to smile. Everything was perfectly presented, including the mouse himself in his outfit.

Silver caught Tiffany's stare. The items on the tray rattled louder still, and Tiffany's eyes narrowed into a scowl. He gulped, straightened up, and approached his sister with smooth yet ginger pawsteps. Setting the tray on the table, he took the tea and poured some into the mug, all the while avoiding his sister's stare. He took his time, well aware of how badly his paws were shaking. He couldn't bear to think what would happen if he spilled even a single drop. With this task complete, he looked up to his sister. Silver's voice was subdued when he spoke, barely a whisper.

"M-milk? Sugar?"

The instant he uttered those two words, he knew it was a mistake. Tiffany's piercing stare made him flinch, and sniff, and he almost dropped the teapot from his little paws.

"Sorry sis, I'm sorry. Two sugars and one milk. I won't forget again."

With his breath still shallow and rapid, he swapped the teapot for some small metal tongs. He dropped two brown sugar cubes into the tea and stirred them in. Next, he added a generous measure of milk, and stirred everything together, careful not to chink the cup. This tea-set belonged to their grandparents, and Tiffany would be furious if he dared to chip it. Handing the teacup and saucer to Tiffany, he stood upright, paws crossed behind his back, stifling a nervous squeak. Tiffany brought the mug to her lips, sipping her drink. Silver swept his tail-tip forwards, gripping it in his claws and wringing it tight. Soon she set the mug down, and beamed at her brother.

"Perfect."

Silver released his breath and his tail, warmth welling up inside him. His little round cheeks dimpled, and he could barely hold back a toothy little smile. He sniffed, giggled in gleeful embarrassment, and instantly fell silent at his sister's glare.

"Is something amusing you?"

"No, sis."

He kept smiling, hoping this might diffuse the tension. However Tiffany's scowl only blackened. Wiping the smile off his face, he swallowed and shook his head, lowering his voice.

"No, Tiffany."

She nodded, satisfied with her brother's sincerity.

"Very well brother, you may leave. I certainly don't need an audience right now."

"Th... thank you. Are... will you be taking a bath tonight?"

Oh how nice of SilverRat to offer for once. Tiffany pondered this option for a moment. Tonight she had been planning to jump straight into bed. However, it had been a long, hectic week, and Tiffany rather liked the idea of indulging. Plus, if Silver was willing to help, why not set him to work?

"Yes I will. Have it ready for me in half an hour."

Silently, Silver nodded and slipped away, leaving the tea tray with his sister. Upstairs he bounded, slipping into the bathroom and shutting the door behind him. Humming quietly to himself, he started the bath water, and when it reached the right temperature he put the plug in. Next, he took a bottle of bubble bath, poured some under the running tap, and stepped back. Steam rose from the water, the warm fragrant scent filling the air. Once more, Silver's thoughts drifted to the female mouse downstairs. Silver had always been close to his sister: they were the only two survivors from their litter, and unusually for mice, their parents never bore any more young. Yet, as the runt of that little litter, Silver had never doubted his place. Still he did not begrudge his sister any happiness or success in her own life. Tiffany worked hard, and when she was recently promoted at work, nobody was happier for her than Silver. The extra work left her no time for housework, but Silver was always happy to help wherever he could. It started as a simple polite request here and there to wash the dishes, dust around, or even cook the occasional meal. Soon the requests became more personal: to brush Tiffany's fur or to massage her aching footpaws, but even then Silver did not refuse. After all, brothers look after their siblings. Then came the outfits: simple dresses, tight-fitting office wear, and of course this fancy housemaid costume. He remembered scoffing when Tiffany first asked him to wear it. But why didn't he want to wear it, Tiffany had asked him? Because it was too feminine for him? He didn't complain that time he wore his sister's panties. And he certainly didn't complain after he soaked them with mouse cum. The next time she asked him to wear the dress, he accepted without quibble. This therefore was how he spent his weekends: cleaning and washing all around the house. In fairness, Tiffany deserved to come home to a warm nest, a hearty meal, and a caring brother. Plus of course, it kept Silver happy and busy. He loved this little home, their little home, and he loved keeping it in top nick. And as Tiffany reminded him, housework was far more productive than sitting alone, pawing to naked animals.

These days however, only one animal occupied his clandestine thoughts. And here he was, alone again with idle paws. With water still cascading into the bath, he stared into the bathroom mirror, and through the misted glass, he imagined his sister staring back. With silvery-white fur, and a large patch of black across her muzzle and right shoulder, her colouration matched his almost perfectly. The only exception was her shock of cherry-crimson hair. He stood upright, tall-shouldered and narrow-eyed, and tried to imitate her stare, that crafty sneer which she had mastered. But it just did not suit him. He slumped his shoulders forwards and closed his eyes. The mouse in the mirror glowered at him, calling him a runt... a weakling... and he nodded at each harsh but deserved barb. She ordered him to his knees, and straightaway he sunk to the bath mat, sniffing deep. Within moments, SilverRat's shame had appeared, hard and obscene. He heard Tiffany approach on soft splayed footpaws, her claws plucking at the rug. Only when he sensed Tiffany right before him did he open his eyes. She straddled his face, looking down at his wide-eyed and flat-eared stare. Silver knew what to do. Tilting his muzzle back ever so slightly, he rubbed his nose against the mouse's folds, his sister's moisture instantly coating his nosetip. He clenched a little handpaw and dug in deeper, breathing through his mouth, trying in vain to lessen the heady scent of his sister. He could only dream how it felt, having a mouse pressing his nose into that sex, his twitching whiskers brushing and vibrating at that most sensitive flesh. A patch of his sister's nectar now stained his nose, and his mousey erection gave a violent twitch. e sHHSurely it wouldn't be long before Tiffany allowed him to cum? He still remembered the last time she had made him wait seven days. That was back when he still needed caging. Tiffany often spoke about 'horny little mouse-boys' and curbing their urges, but Silver was determined to prove that he didn't need locking up like some brainless pet. So Tiffany would agree to release him for a night and repeat her command not to paw. However five minutes alone in bed was all that Silver needed for his arousal to instate itself and rub a lattice of precum all inside his sheets. He would wriggle under the covers, trying his best to fall asleep. Several times he failed, and he would try to resolve matters without his sister knowing. Sometimes he sneaked into the bathroom and stood at the sink, where he huffed and pawed and squeaked, before splattering his thick mouse cum all over the basin and the bathroom mirror (and once even over their toothbrushes). But of course when he came around, Tiffany would be in the doorway, growling like a mother bear roused from hibernation, clutching his cage in one fist, ready to lock up the 'dirty rat' once more. Other times, the smell of cum would give him away when his sister snuck in the next morning. Whether a conscious pawing, or the product of an erotic dream, it made no difference. One day, the mouse was still half-asleep, vaguely aware of a familiar masculine musk all around his bed. Through hazy eyes, he saw his sister peer over, then climb on top of him. Silver woke with a start, but Tiffany pulled back on his painfully hard erection, coaxing a shrill moan and a stream of precum from the little mouse. He panted, staring up at the smirking femme, and before he could utter a single plea, Tiffany started to paw him. Within thirty seconds SilverRat was moaning, squeaking and thrashing in pleasure underneath his sister, while covering his stomach and his chest and his bed with yet more lashings of his hot mousey cum. She even made him change the sheets afterwards. Eventually however, he had kept his promise, and now he had made it a week without pawing. She had to grant him some release soon. Surely?

When foam had risen to the top of the bath, Silver turned off the water. He tested the temperature by handpaw, and topped it up with a little more hot water. Perfect. He headed onto the landing, perching his paws over the banister and calling for his sister. She emerged half a minute later, and he watched her ascend the stairs. He gave her a friendly smile, and she simply strode past him and into the bathroom. He tagged behind, standing in the doorway while she pulled her top over her ears and shimmied her trousers and panties to the floor. Only then did she turn to Silver, beckoning him closer. He shuffled up behind his sister. Nimble claws clutched at the clasp behind Tiffany's bra, opening it with a gentle 'snap'. He reached around, and carefully he let the cups fall away into his paws, first on the left side, then on the right. While Silver gathered her clothes and folded them neatly, Tiffany raised her hind paw, testing the water in the bath tub. Silver chose not to stare, focusing instead on the clothes and listening for the ripple of water as his sister lowered herself. He placed her folded clothes on top of their linen basket, and turned to face her once more. As he approached, Tiffany stared at the tiles and paid him little attention. He knelt by the side of the bath, squeezed out a measure of bath wash, and brought his paw to Tiffany's shoulder. Her pelt was thick, but a day of hectic work had left her fur coarse and her shoulders tense. Silver's claws massaged through the pelt, all across the mouse-girl's slender body, chest and stomach and back, above the water and below. He scooped up some of the warm water, rinsed through his sister's fur, and of course, repeated.

When washed, his sister's patchwork fur was shimmering, fine to the touch... and stunning. Although Silver did not admit as much, he was quite proud of his work. He ran his paw across his sister's pelt, rinsing out what remained of the body wash, and began tidying away his lotions.

"Don't forget my nails."

Silver nodded and fetched a manicure set. Clutching his sister's paw above the waterline, he trimmed each nail to half-length, and filed them all off to a perfect point. Not every mouse kept their claws long. Some preferred their 'natural' weaponry, although others thought a smooth nail made them more 'civilised'. Given the choice, Silver would have kept his claws sharp. However at Tiffany's request, he kept them filed down. If anything though, it suited Tiffany to be the sharp-clawed one.

Task complete, he cleared away, letting his sister luxuriate for a few minutes more, before he emptied the bath. As the water drained, Tiffany stepped out, shaking one paw and placing it on the mat, then repeating with the second paw. Silver gave her a quick towel-down, before she headed for the fur-dryer. Silver watched her enter the open cylinder and press the foot-pedal. A stream of warm air washed over her, ruffling her trim fur and driving the moisture from it. She ran her paws over her pelt, brushing out more water. She knew that Silver was staring, watching her paws glide over her slender yet curvaceous body. It would be cruel to start playing with her breasts now, so that's exactly what she did. She had to admit he did look cute standing there, gawping, clutching a bath towel in one paw and a slicker-brush in the other. He'd get his chance to touch soon enough. And indeed, when she switched off the fur-dryer and stepped out, Silver was ready. He stood behind his sister and, started with her shoulders, he dutifully groomed her fur, all down her back, quickly towelling off anywhere that the fur-dryer had missed. He took care not to pull the few tangles which he found. Tiffany stretched her arms to the side for Silver to brush quickly. Then, he crept around to her front. This was always the difficult part. Unlike Tiffany's back, Silver could make no long brushstrokes. He began with her chest - no problems so far. But then he came to her breasts, where he could only make quick sweeping arcs with his brush. Still, he remained focused, despite being so close to his sister's supple form. If anything, her stomach was even more difficult. She was particularly sensitive here, as he found out once when he brushed her navel and almost received a manicured claw-swipe to the nose. Now however, Silver knew to soften his brushstrokes. He kept gazing up at Tiffany, watching for any flinches, but saw none. Next, he moved onto her legs, combing her hips and outer thighs while dropping to his knees.

"Silver. You missed a spot."

Silver glanced up to see Tiffany spread her legs wider. Did he have to brush so close? Trying not to grumble out loud, he swept his paw in a smooth motion, trying his hardest not to catch Tiffany with the bristles of his slicker. Her inner thighs themselves were no problem. However he had to hesitate every time he moved in towards his sister's folds. There they were, right in front of his nose, bearing a thin fresh sheen of mouse-girl musk. No, now was not the time to be getting excited. His cheeks reddened, and he was sure that Tiffany could see what lay underneath his apron.

"Come on Silver. I want you to get as close as possible."

Was he a teenager or something? Could he not look at a female without thinking of bedding her? Shaking his head, ignoring that arousal which would not subside, he brushed his sister's rear, and her legs were a straightforward descent. With his sister now slicked from head to tail, he sprang to his feet and stepped back to admire his handiwork. Tiffany too glanced at her arms, body and haunches. She inspected her clean, trim and slickened pelt, before facing her brother with a nod of approval.

"Good rat."

SIlver broke into a bashful smile. His voice when he spoke was barely a soft mutter. "Thank you. I love you, sis."

"Love you too, brother," she whispered back, leaning right over to rub whiskers with him. Silver smiled and felt his little foreclaws twitch. The rodents embraced, gently threading their forepaws together, and Silver nuzzled into her shoulder. The scent of lavender and wild hay was strong, and so enticing, and yet it did not neutralise that natural musk buried deep in his sister's fur. That still lingered - raw, unquenchable, and as natural as the whiskers on her nose. He sniffed deep, feeling his excitement return, before Tiffany pulled away with a final touch of the nose.

"Okay mouse boy, let's not get our fur ruffled again so soon. Finish up in here, and then come and join me in my room."

Tiffany strolled past him, brushing his muzzle with the tip of her tail. He waited until Tiffany had left the bathroom, so she didn't see him break out into a giddy little smile. He put away all the soaps and gels, and draped the wet towel over a rail. Taking some bathroom cleaner and a sponge, he cleaned around the bath as quickly as he could. Finally, he made his own exit, tugging the pull-cord light as he went.

He headed towards his own room out of habit, before remembering about Tiffany and turning on the spot. Not that he could have got in his room, anyway. Three days ago, the mouse had returned home from the supermarket, only to find a bolt and padlock attached to his bedroom door. At first he could only stare, dumbfounded, at the strip of metal now blocking him from all his possessions. He ran his claws along the bolt, rattling it, testing for weakness. It was a heavy-duty lock, certainly not something he could easily break off. He still tried though. He banged and banged on the door, but it would not yield a single inch.

"Silver! Stop banging that door!"

The male mouse yelped and turned to the side. Another pointed mouse snout appeared from behind the master bedroom door.

"What the hell, Tiffany? What are you playing at?"

Steeling himself, he stormed over to the threshold of Tiffany's room. She stood leaning on the door frame, cross-armed, smirking in amusement.

"Oh dear, Silver. Do you really think that'll persuade me to hand over the key? No, I'll tell you what's going to happen. From now on, you and I are sleeping together. You've always had this obsession with me, and what I do in private. It's a sibling thing, I know. We're so similar to each other, and yet completely different. Mom told you it was weird, but personally, I find it rather flattering. And now, you can find out what I do behind closed doors."

Something about this didn't sit comfortably with Silver. Yet she beckoned him in, and he followed regardless.

"So it's agreed then. You're free to come in whenever I'm around. When I'm out, you're to carry on with your housework, and if you need to clean in here, you may. But remember that my closets and drawers are out of bounds. If I find a single brassiere out of place... well it's just not going to happen, is it?"

So... so I'm going to sleep in your bed?"

Tiffany laughed and shook her head. "Oh no brother, not tonight at least. That's where you'll be sleeping."

Tiffany pointed to the foot of her bed. There she had left a pile of laundry, barely big enough for a mouse to curl up on.

"Are you serious?"

"Sleep there until the weekend. Just three nights and see how you feel."

"Forget that. I'd rather sleep on the sofa."

But Tiffany crossed in front of him, blocking his exit. "Are you sure about that?"

And before Silver could answer, Tiffany unfastened her work shirt, from top button to bottom, shrugging it off her shoulders and adding it onto the clothes pile. Silver swallowed the lump in his throat. He knew every detail of this ritual, and he dared not miss a single second. Next came Tiffany's trousers, which she folded up neatly for the next day and draped over a chair. Now standing before Silver in her underwear, she unfastened the clasp of her bra, throwing it on top of her shirt. She paused with her claws on the waistband of her panties, shot him a dangerously coy stare, and slid the underwear down her legs. Brandishing them in one paw, she walked past Silver, making sure to wave them right in front of his nose. Silver just couldn't resist taking a deep sniff, seconds before Tiffany turned tail and casually discarded them on the pile as well. Damn his sister. She knew what her scent did to him. Silver watched her every step, right until she faced him once more. She did not speak. She only nodded at the clothes pile now topped with her freshly-worn underwear. Later, sure enough, he traipsed into Tiffany's room like a good obedient boy. Under his sister's watch, he dropped to four paws and skittered to the clothes, climbing on top and padding around for the most comfortable spot. No doubt other prouder animals would have baulked at such an undignified display. But that was a fight which SilverRat had thrown long ago. As he bedded down, Tiffany wished him goodnight and switched off her bedside lamp. Up above, he heard sheets rustle and bedsprings softly groan. Silver lay there, in the inky moonlight, nestling into the clothes on which he lay, claws to his chest, his body slightly curled and his tail swept before him. His twitching rodent-nose rested on his sister's work-shirt, and every breath drew the enticing scents one would expect from Tiffany's establishment. Silicone, cherry lube, the warmth of real leather... and undercutting them all, as always, was his sister's own musk. With some exploratory sniffs, he found the strongest source of that musk: his sister's panties, lying just a foot away. He waited until his sister's breath softened, and reached for the thin fabric. He drifted to sleep that night with the garment covering his nose, a happy smile on his twitching muzzle, and a wonderfully thick mousy erection rubbing on his sister's clothes.

When Silver snuck into Tiffany's room that night, she was already lying in bed, nude, with her muzzle hidden behind a paperback book. Silver peered from behind the doorway. Tiffany glanced over the top of her book, saw him, and continued reading. Silver shuffled in and headed for the clothes pile.

"Wait... where's my nest?"

No response from his sister.

"Tiffany?"

She put her novel to one side, crossing her arms. "Oh, there's no nest for you tonight. I have an altogether different plan for you tonight."

Silver was never keen on his sister's 'plans'. That smirk alone was disconcerting enough.

"I do so love these lazy Friday nights. Don't you, baby brother?"

The sight of such a sexy female rodent in repose, fully de-clothed, would be enough to pique any horny mouse-boy's imagination. That was even before she spread herself wide, slid one paw across her leg, and cupped the firm mound between her thighs.

"It's the perfect opportunity for a girl to relax... unwind..."

Tiffany twitched her whiskers and moaned at the mouse-boy, a soft yet full-on siren-song of animal and feminine need. She never ordered him to watch any more: now she was guaranteed a captive audience from her brother every time. He stared dumbstruck, fighting to stop his paw creeping downwards - he was not going to let Tiffany cage him tonight. Yet paw or no paw, his erection was rising again, more than evident underneath his apron. This, combined with his furious blush, only spurred the red-haired femme to tweak and massage her inner folds with a deeper vigour. Liquid now drooled from the mouse-girl, and her slim manicured paws glistened. Silver squeaked with a full-body shudder, but still he kept his paws away. Then, with a grin more befitting a hyena than a field mouse, Tiffany sat upright, legs together, licking her paw clean.

"I must say Silver, I'm impressed. You're getting more obedient every day. And a well-behaved boy deserves a little treat."

Tiffany swung her legs over the side of the bed and climbed out. From her dressing-table, she picked up a black cardboard bag with ribbons for handles, and held it in front of Silver.

"This is for you."

Ever the curious rodent, SilverRat took the bag with both paws and peered inside. Straightaway he gasped, and his beady little eyes grew wide. He just about avoided ripping the bag in two as he pulled out the contents. Inside were a pair of lilac panties, with little heart patterns woven into the fabric. He held them to the light, rubbing them between his fingertips, feeling their silky-smoothness. Moments later, and with no prompting whatsoever, his maid outfit was gone. He stood naked before his sister, black-and-white furred, with his long whippy mouse-tail curled behind him. He clutched his new present a little longer, but on Tiffany's expectant nod he hopped over to the dressing-table, holding it for support. First he slipped one paw through the underwear, and then the other. As Silver pulled them up his legs, they brushed against his neatly-trimmed fur, sending pleasured shivers to the tip of his tail. And by the time they were finally resting on his hips, he could barely contain his happy little squeak.

"Mmm, they do look good on you. Why don't you see for yourself in the mirror?"

Silver turned tail and headed to a full-length mirror on the far wall. He knew he was in for a treat, but when he actually saw his reflection, it brought out a whole new blush. The panties hugged his rump and his upper thighs. And the way they caressed his sheath and his heavy mouse-balls... it was indescribable. He swished his tail, and the mouse in the mirror responded in kind. Then he saw his sister in the mirror, approaching from behind. She rested one paw on his shoulder.

"Comfy, aren't they? These are a brand-new range, double-layered silk blend. They came in store today, an advance sample, and as soon as I saw them, I thought of you. You're getting to try these two weeks before anyone else in the country. Now don't say I never do anything for you."

Silver turned to his sister, dropping his ears. "I... I would never say that. I love you, sis. You know that, don't you?"

Tiffany smiled at her brother. He stared back, his marbled eyes wider than ever.

"Don't you?"

"Yes Silver, you know that I love you. Honestly, why do you even need to ask?"

The sigh escaped Silver before he had even realised. He thought about leaping on his sister and giving her a hug, but Tiffany had never been that affectionate. In the end, he opted for a simple 'thank you', which Tiffany acknowledged with a smile.

"There's no nest because you and I are sharing the night together. Just like when we were pups. So come on, climb up on the bed. Oh and of course, keep the panties on."

Something about this whole situation didn't sit right with SilverRat. Tiffany was planning something, something lewd no doubt, although Silver couldn't guess what. Still, far be it for Silver to disappoint his sister. The underwear hugged his thighs and cushioned his mousehood as he walked to the bedside. Timidly, he climbed on the bed. He lay on his side, sinking into the layers of sheets and pillows. Silver always made sure that this bed was plush, and just this afternoon he had put on fresh sheets. The faint hint of lavender powder was all around, and already it was helping Silver to relax. Yet the rodent's repose was shattered by Tiffany rummaging through her closet. There came a clear clink of metal, and she emerged clutching a pair of leather manacles on a long metal chain. Kneeling at her brother's side, she rolled him onto his back, before straddling his stomach with her legs spread wide. Raw rodent musk reached SilverRat's nose.

"So come on sis, what are you planning?"

Tiffany untangled the shackles. "Everything will become clear, Silver, don't you worry about that."

She took a hold of Silver's half-hardness, gripping him through the panties. He squeaked and his whole body twitched, before he rose up into his sister's grip, his mousey length again stirring under his sister's soft manicured touch. Next, her paw rubbed lower, to the young mouse's sac, which the fabric tried pitifully to contain.

"Oh, my poor baby brother. You must be aching to empty these big balls. I just wonder how big a mess you'll make tonight."

His hardening mousecock now curved and bulged in the panties, stiffening under his sister's caress. She took him between her thumb and a single forefinger, rubbing her fingertips around his girth. Silver could not stop his precum flowing, staining the brand-new lingerie barely five minutes after he slipped it on.

"Oh, I know you've waited days for this. So let's give the horny mouse what he needs."

She pressed her brother flat onto his back, kneeling forwards and wrapping her tail-tip around the bulge in his panties. She hooked the manacles through the slats of her headboard, before locking one wrist in each tight cuff, above his head. With the mouse-boy restrained, she smiled and slid backwards, slipping her paw back to his barely-concealed length. She manipulated him, gripping his base with a second paw and making him moan. Suddenly she held his sides and grinned, wasting no time in manoeuvring her hips lower. Now, she could use all her energy and vigour to grind herself up and down, back and forth, all along her brother's arousal. She murred to herself, loving how her flesh yielded to his rigidness, even through the silken layer separating them. Soon she could feel her own liquid flow, adding to the slickness which soaked through from Silver's arousal.

"Oh my, Silver. You are a big mouse. Did we really expect that those tiny little panties would ever hold something this size? And you do remember what happened last time we were like this?"

How could he forget?

"I bet you've been thinking about it ever since. Well, here we are once more, with your big mouse-cock just grinding so deliciously, so shamelessly hard against me. This is what you want, isn't it?"

She took hold of the middle strap and carefully lifted it to one side, over Silver's arousal, wary of her brother's sensitivity. He was respectably-sized for a rodent, indeed larger than some canines Tiffany had played with. He was hard as stone, and a string of precum dropped onto his stomach fur while Tiffany held him in her nimble paws. Tonight however, she had no intention of using paws alone. And when she pressed her bare hips back against his, Silver froze in shock.

"Or rather, you want this."

Silver gulped. He bit his lower lip, fighting to resist the pleasant weight and the intimate touch of his sister. Brotherly flesh met sisterly folds, a deliciously wet friction building between the twins' flesh. Silver gave a wan huff, and even Tiffany's breath came in harsh bursts. It's okay though, she's just teasing, she's just teasing... Yet when Tiffany rubbed herself on her brother, dragging herself across his bare endowment, Silver could only clench his shackled paws. What on earth was his sister doing? This was starting to go too far, way beyond playing. Silver rattled his paws, but of course this did nothing to deter her.

"Isn't this just so naughty, Silver? So risky? Imagine what could happen if you actually penetrated me. You could give me your litter. And with the amount you cum, and how painfully pent-up you must be, you may very well manage it."

Silver could only stare down, at his mousehood emerging from one side of the panties. He tried wriggling about underneath her, but this only ground his flesh harder against his sister. Tiffany bucked, drawing out his loudest squeak yet. He mumbled, too quietly for Tiffany to hear.

"What was that?"

Silver could barely breathe his response. "N...no. Please don't...."

"Sorry baby brother, I can't hear what you're saying."

Tiffany rubbed herself on her brother's arousal, hard and deliberately, the slickness between the siblings growing by the second.

"Nngh! Please..."

Tiffany chuckled. Silver felt his temper flare, but he simply kept silent. He hated people laughing at him.

"Oh, you are enjoying this. And I would never leave my brother in need."

"But , but... like this? It's not... natural."

She stopped grinding. He had her now. Silver mustered his bravado, only for it to wither the second that Tiffany cocked her brow to him.

"Natural. Okay Silver, let's talk about what's natural. Barely three weeks ago, I fucked you. Hard. Straight under your tail. And you liked it. Or how else do we explain those two big cumshots?"

Silver whimpered at the memory. His rear clenched in sympathy. On that night, when he waited huddled over on the bed, he had had barely thirty seconds to prepare before Tiffany hoisted his tail and stretched his little pucker open. Of course he had heard stories about pegging before, and in his more devious moments had even imagined a girl showing him just what a runt he was. And when his sister ploughed that strap-on inside him and forced out all manner of shuddering squeaks, it was everything he imagined and more. Everything about his sister just oozed dominance, from her tight paw-grip to her very unfeminine choice of language. And Silver could do nothing to resist. It wouldn't normally be this way. Males take charge - normal males at least. But for Silver, it felt good - it felt natural -to relinquish himself to Tiffany. Now however, was he really about to surrender entirely to his sister's carnality?

"Remember Silver, in this world there are winners and losers. And if you need reminding of your place, I'll do it as often as necessary. So don't even dream of being somebody you're not."

He tried to blot out her words. He tried to clear his mind of those lewd incestuous desires which Tiffany fulfilled with such expertise. However, nothing worked.

"What's the matter? You don't want to share your sister's pups? Oh now then, wouldn't that be naughty? Still, that's what drives you males, isn't it? That desire, that primal need to flood us fems with your fertile seed. To show just how virile and vigorous you are."

Tiffany had already taken so much from him. Could SilverRat cling on to this last little piece of decency? No matter how much he protested, he knew, deep in his little hammering heart, that this felt good. As much as he hated his sister for it, she knew exactly how to rile him up. And when Silver jarred his hips upwards, hard and sharp, Tiffany's surprised gasp soon turned into a proud little smile.

"That's what I thought."

His sister resumed her grinds, more incessantly this time, her velvety flesh growing slicker with her own feminine nectar. If he wasn't careful, he would penetrate her in seconds. This was enough. Teasing him with girly clothes was one thing. At least with the panties in the way, Tiffany could do nothing worse than tease him. However, with absolutely nothing to separate the siblings, all bets were off. He shook his paws and very quickly remembered how futile this was. Instead, he squirmed underneath his sister, trying to worm away. Yet try as he may, he could not shake her off.

"It's always fun when you pretend to resist me."

Only this time, Silver wasn't pretending. And yet... huff... there was no denying how he loved feeling Tiffany take charge. She took hold of his shaft, holding it upright. It throbbed and vibrated in her tight grip, and as she trailed a single claw along its underside, it sprang to life, launching a spurt of precum onto Silver's stomach. Adjusting her stance, she lowered herself and brought her brother to the brink of penetration. She ground herself on his erection, back and forth, rubbing his tip the full length along her entrance, while he moaned and twitched beneath.

"Oh you are a good boy, aren't you?"

She gripped him harder, wrapping all of her claws around Silver's shaft, guiding it lower while he gasped, before she stirred him an inch into her treasure, seeking out that single point of contact which would mark the most intimate touch yet between the siblings. They found it, and with Silver screwing his eyes shut, fighting without success to suppress the ripples of pleasure all throughout his fur, Tiffany removed her paw, and simply sunk down, her rodent-toothed muzzle lifted into a grin as she stared down, feeding off the turmoil on her brother's face. At first Silver resisted, but then he felt himself drag against his sister's inner walls, and the pleasure overwhelmed him in seconds. It flooded his mind, a primal reward for furthering his species, battling what remained of his lingering rationality, a scar which would not heal, reminding him that this was wrong, so wrong. He realised that however much he struggled, physically and mentally, it would be futile denying his sister her fill. Murine fluids eased their penetration, adding a lewd and lurid tingle to their mating, while inch-by-inch Tiffany yielded to her brother's insatiable hardness. She embedded herself fully within him, and seconds later he broke into a shallow sob, his muzzle contorted, his eyes still shut, and his whole body limp... except for one crucial part.

"Sis... why are you doing this?"

"Because, Silver... because it feels so right. You can feel that now, can't you? How wonderful it feels. How long have you waited to mate again? Just let that feeling wash over you, and don't worry about anything else. We're here for each other."

Indeed they were here, brother and sister, closer than they'd ever been before. Tiffany had teased about the siblings mating, but he never imagined she would let him penetrate her. Silver was enraptured, and with any other mouse-girl, he would be clutching her hips, urging her to rise, to shiver and to murr and to surrender to him while he pounded her from below. But this was his sister. And there were no clothes, no condom... nothing to stop him filling his sister with what felt like a very sizeable load of fertile mouse seed. Eventually, and with a soft yet blissful moan, Tiffany hoisted herself off Silver's erection, her thighs taut, only to sink straight back down, all the way in a single liquid motion.

"Ngh! Don't do this to me, sis. It's not right. Just, just... STOP_!_"

Tiffany grinned with pride. "Well how about that? The little mouse-pup finally found his voice. But I'm afraid it's far too late for that. You're hard as stone in me now. And hell, you are leaving so much precum inside me. You know that your pre is enough to impregnate a gal. We're deep into risky territory here, Silver."

She arched her back and curled her long tail, before grinding her strong hips on the mouse-boy beneath, gripping him tight and making him whimper. She hissed through her teeth, even adding a little moan and a murr, before taking her brother with a smooth flowing fuck. Males - so easy to tame. No matter how much he protested, the rigid resistance she met within her every time she ground forwards was proof enough of how pent-up the little male murine was. Not once did Tiffany let up, using every twitch and bump of the hips to draw the last squeak of pleasure from her brother. Silver did not speak. Nothing he said would deter his sister, anyway. He just wanted it to end, the quickest way possible... and after so, so many days without spilling his mouse-seed, he couldn't urge her on fast enough. In this state, Tiffany could do nearly anything to him and he would oblige. He felt her pull back on his erection, hard, making him draw out a desperate moan. From here, he expected Tiffany just to ride him all the way to release. He was not expecting his sister to wrap her arms around him and pull him into a sideways embrace. The two mice rolled together in a bundle, with Tiffany's smooth sharp claws trailing over Silver's back, a twitching giddy pile of monochrome fur. SilverRat whimpered and twisted, leaning right into his sister's warm fur, while she kept him hilted within her flesh. They gazed into each other's eyes, nose to quivering nose, and Tiffany let slip a little sigh as SilverRat's erection caught somewhere particularly sensitive. Yet Tiffany was not finished yet. Gripping his sides, she rolled onto her back and lifted the bound mouse on top of her. He settled awkwardly, shivering on top of his sister and painfully aroused inside her. He knew what to do, and yet he remained motionless, save for his hasty breath. Not that he had much freedom to move, of course, now that the manacles were twisted. Underneath him, Tiffany's breath wavered. She rocked underneath the immobile mouse, scored her claws across her brother's chest, and dared to utter a high, feminine moan. Silver's response was almost involuntary, a gasp and a sharp downwards buck of the hips. Yet Tiffany latched onto it like a tick on bare skin, nuzzling up into her brother's neck and rewarding him with another tweak of her folds. Silver broke a stuttering moan, his fur tingling with his sister's warm breath, while her nether teasing obscured even more of the sane thought in his mind.

"Come on Silver," Tiffany encouraged. "Take your big sis. Make her your own."

Silver sniffed, and squeaked, and rapidly shook his head.

"Why not? You tell me so often that you're not a sissy, so prove it. Think about Dad. Wouldn't he just hate to know that his son, his only son, is too weak to handle a little pussy."

When Silver suddenly rocked her with some unexpected thrusts, she had to chuckle to herself. He stopped a few seconds after that and buried his head into her shoulder, whimpering again. Oh brother, you are so fun to break.

"Yes, Silver. This is what real males do. They claim their mate, dominate her, show her what a fine and virile member of the species they are."

"I don't want to do this..."

"Bit late for that, don't you think?"

"But this is wrong!"

Tiffany slapped him, back of the paw, straight across the muzzle. Silver lay motionless, wrinkling his nose, feeling the fizz in the cartilage. His little eyes welled up in a second, and he rubbed his muzzle on one outstretched arm. He blinked in disbelief. Tiffany never hit him.

She lifted his chin, looking directly into his tear-glazed eyes. He gulped hard, and she pinched his nose until it stung. There was no avoiding his sister's soft gaze, her gentle breath, her cute little incisors on full display... his arousal twinged, SilverRat yelped, and he battered his sibling with another flurry of rapid bucks. Tiffany gasped in surprise and grasped a clawful of his back fur, hissing at him sharp-toothed.

"Do that again," she whispered.

He held his breath, and bucked. Tiffany shuddered.

"Again."

He bucked again, and Tiffany moaned underneath him.

"Oh yes! Silver!"

Silver released his breath, and rocked his sister with a volley of thrusts. It wasn't enough to fully distil the fear of his sister, nor the contempt that she had reduced him to such primal needs. Yet despite all the gut disgust that he was mating his own sister, there was also no denying how enrapturing it felt to tap into that male prerogative, his birth-right to breed and to dominate. One minute he put up an admirable defence, the next he relented and jabbed his hips forward, battering her most sensitive zone over and over - and she rewarded him with a mewl and yet more drooling nectar. Silver knew where this encounter was heading, and he made one last-ditch attempt to interrupt the fun.

"Tiffany I... I think I should pull out..."

"Oh no you don't," Tiffany whispered, tensing her claws on his back. "Not when we're so close..."

Tiffany growled, as best a small rodent can growl, and she drove up with her hips, yanking on his neck fur. Silver squealed and froze atop her, save for the odd reflexive buck. Yet that soon changed once Tiffany licked the first and second claws of her forepaw, reached around to Silver's tail, and toyed his tail hole with some vigorous rubs. In an instant he was sighing, sorrowful, shuddering. He throbbed heavily within her, and he broke into an adorably helpless whimper, but still she did not stop. He thrust forwards to get away from those claws, but of course this only drove him further into his sister's sex. He yipped and shuddered at the unexpected pleasure, feeling it spread upwards through his whole body. His claws flailed in the twisted manacles, failing to get purchase on anything whatsoever. Tiffany was happy to let him flail and squeak. If her past experience with mouse-boys was any indication, which it was, Silver's ordeal would soon be through. He broke into some shallow rapid panting, and he arched his back, making one final effort to break his penetration. Just a few inches more... But Tiffany's slender fingers ground harder on his tail, and when they both slipped past SilverRat's tight resistance he collapsed atop her, frozen in tense trembling pleasure, staring dead ahead with vacant watery eyes, a lazy trickle of drool running from the side of his half-open muzzle. Seconds later his whole body convulsed, nose to tail, and although he fought to contain himself, he eventually surrendered, sighing, bucking his hips, quickly filling his sister with heavy gushes of hot mouse semen. Tiffany grinned ear-to-ear, twitching her nose and rising with each cumshot, paws still firmly on her brother's side and taint. She kept him deep, making sure that they rubbed and brushed together as lewdly and as carnally as possible, their connection lubricated by a growing payload of fertile mouse seed. She coaxed him to buck, to impale her with his hardness, and suddenly a loud and feminine yowl erupted underneath Silver. She rocked, her body flush with excitement, her breath juddering with each pleasured ripple. Suddenly she uttered five or six moans, each one louder than the last, before she cried out her brother's name and joined him in a blissful tail-lashing climax. He felt her clutch on tight, thread her claws through his pelt, and he remained motionless, sharing that warm sticky connection. Nothing mattered now. He could squirm away, he could withdraw, but it would do nothing to change this simple fact: SilverRat had bred his sister.

The rodent twins twitched and twisted in their soft nest, each of the nimble mice slowly regaining their breath. Tiffany ran her free paw along Silver's back, grooming him, calling him a 'good boy'. Silver soaked it all up, panting hard and avoiding her gaze at all costs. When he sobbed afresh, Tiffany spun him onto his back once more. Without hesitating, she spread one paw across his stomach, lifting herself off his arousal with a soft shuddering moan. SilverRat popped free, and now the siblings could see (and indeed smell) just how healthy and copious their ejaculation had been. Some of it dripped in ropes from Tiffany's treasure, some soaked into Silver's lower fur, and yet more filled Tiffany's womb, warm and unseen. Smiling down at her prone brother, she shimmied forwards, leaving a long trail of mixed murine fluid along her brother's stomach and chest. Stroking the shocked mouse-boy behind his ear, Tiffany rested on the point of Silver's muzzle, letting the mouse-boy's own semen drool onto his face. A thick wad of it fell on his snout; Silver instinctively licked it away and immediately cringed, gagging and swallowing hard. He could never stand the taste of his own cum, especially when it cooled and coagulated.

"Well Silver, looks like you've got more clearing-up to do. But look on the bright side. The more you clear away, the less chance of you knocking me up. So let's see how deep you can go."

At first Silver shied away, wanting nothing more to do with his sister and her depths. However a hard tug on his little ear brought forth a squeak of pain. He craned his head upwards, giving his sister a tentative lick, shuddering at all the slick gelatinous cum he scooped out. He fought through the sudden wave of nausea that bubbled up from his gut, gulped the load down rapidly, and roved deeper into his sister's treasure, ignoring both the stale musk on his nose and the trills of satisfaction from his sister above.

"In you go, little rodent. Deep as you can. Oh, look at it all running down your chin. What a filthy, filthy rat my brother is."

As Tiffany rubbed his ear between two sharp claws, and as Silver dug his snout deeper into his sister's folds, it took all of his resolve not to break into fresh sobs. He knew that, no matter how much he cleansed his sister, it was probably too late. After all, the semen on their crotches and on his torso and in his stomach was only a fraction of everything he had shared with his sister.

Silver finished with long tongue-strokes to his sister's treasure. When nothing but mouse-saliva was coating Tiffany's nether fur, she called a halt to his licking. She clutched her stomach, smiling in satisfaction, before lying beside her twin and taking him into both arms. Her claws combed through Silver's fur, but Silver did not relax. His mind was racing, like a hamster on a wheel. Surely he hadn't got his sister preg... Surely not? And what would they do if he had?

"Sis..." he muttered into her chest. "Why do you keep me?"

"Because I need you, SilverRat. We need each other. And I'm sure you'll agree: nobody else in the world understands the two of us better."

He sniffed, mumbling into his sister's fur. "This is all wrong. So wrong..."

"Says who? Yes, you and I might bend a few rules about what good mice should and shouldn't do. But if nobody ever finds out, what's the harm?"

"I guess... if you have my pups, everyone will know."

"Don't be so sure."

Tiffany sat upright, held out her arm, and pressed two fingers to the fur. Silver could see something thin and tube-shaped embedded under his sister's skin.

"Wonderful, isn't it? How easily, how effortlessly, we can bend nature to our will."

It took Silver a few moments more to register his sister's hint.

"Wait. You mean..."

"Calm down, Silver. I have protection."

In any other situation, Silver might have erupted in blind and likely claw-filled wildness. However, thanks to common decency for his sister and his post-coital incoherence, his reaction was one of helplessness and confusion. He blinked, struggling to formulate the words. "But, but... you talked about pups..."

"Not this time, SilverRat. You can trust me."

Yet Silver was still catatonic on his sister's bed. And so, with an indignant sniff, she spread him on his back. His pre-covered panties were all but forgotten around his thighs. Tiffany pulled them clean away, before running her paws in delightful little strokes along his sides. With his mind still scattered, Silver yielded to her every touch, still struggling to process everything his sister had put him through. She had bested him - it was simple as that. That mouse, who was craftier and smoother-tongued than he would ever be, and yet who still cared for him, sister-to-brother, no matter what. The rough cup of his heavy package suddenly roused him, and soon he was hardening again in Tiffany's grip. She murred in approval, and leapt atop the chained and aroused mouse, her black eyes gleaming, her teeth gnawing in excitement. What a fine animal his twin sister was. And whatever else Silver was thinking, there was no denying his excitement right then. That excitement peaked and the little mouse squeaked when Tiffany took his erection, shifted her hips, and brought them both once more to the brink of copulation.

"Now, baby brother. Stop worrying... and take me."

By Ziegenbock