Under the Mount

Story by Sandwalker on SoFurry

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#1 of Under the Mount

The title is a play on 'Under the Mountain', a book by New Zealand author Maurice Gee, later turned into a TV series and feature film.

A young princess finds her elder sister missing from her bed, and goes in search of her. What she finds comes as a thrilling shock.


Princess Melanie yawned widely as she roused into wakefulness. The teenager lay staring up at the ceiling, which was barely visible in the wan moonlight filtered through the curtains. For a few seconds she wasn't sure why she was awake, but then she felt a strong pressure in her nether regions.

She yawned again and pushed back her furs, and swung her legs out and onto the floor. A gasp escaped her throat when her feet missed the bearskin rug and landed upon the icy stone of the floor. She moved her feet, and bent down to grope for her slippers. Finding them, she nuzzled her feet firmly into them and stood up, letting her floral-patterned nightdress fall to her knees. She pulled the furs back up to keep the bed warm, then headed for the large oaken door.

As she grasped the latch, she glanced over at the bed in which her elder sister slept. For a moment she didn't comprehend was she was seeing, but then with a start she realised that the bed was empty.

Maybe Lorissa had got up for the same reason, Melanie mused. She left the room and wandered through the hallways to the necessary. After relieving herself, she washed her hands in the basin provided, shivering at the temperature of the water in the jug. Before she left, she went to the window and glanced out. The room was on the third floor of the castle, and had a good view of the eastern grounds. The sports field was visible as a dark rectangle surrounded on three sides by the pine forest. Several buildings lay between the field and the castle, including the carriage house and the adjoining stable.

Melanie frowned and pushed the window open to get a better view. Was that...? It was! A faint light was burning in the stable. She frowned, wondering why there'd be a light there. Was one of the gryphons giving birth? No, that didn't seem right; she was sure that there'd been no pregnant gryphons in the past few months, although it was sometimes difficult to tell with the fatter ones.

She leaned against the stones that formed the windowsill and pondered, wincing at their coldness. Why would anyone be out there in the middle of the night? Her curiosity finally piqued, Melanie left the window and went back to her bedroom to put on some warmer clothing.

A few minutes later the young red-haired princess sneaked out of the back entrance of the castle, avoiding the patrolling guards fairly easily by waiting until they were at opposite ends of their beats. She moved quickly and quietly towards the stable, trying to blend in with the shadows. She stopped after slipping around a corner and giggled at the naughtiness of sneaking around after bedtime.

When she finally got to the stable, the main door was closed, as it should be. The girl put her ear against the door, and listened hard for any sounds from within. After a few seconds she could pick out what sounded like gasps and moans, and the occasional squawk.

"What the...?" Melanie murmured, scrunching her eyebrows in confusion. She thought about opening the door, then decided to creep around the building to the window from which she'd seen light.

Carefully the girl moved almost silently, aside from the crunch of gravel beneath her sandals, around to the side of the stable. As she neared the window, she could hear the noises more clearly. She stopped suddenly when she heard an exclamation. "Fuck me, Bren! Fuck me like a hen!"

Bren? Melanie thought. That was the name of her sister's gryphon. It took her a few moments for her brain to connect the dots, then her eyes widened.

A few more steps took her to the dust-caked window. She took a few deep breaths to try to steel herself for what she'd probably see, then carefully moved her head until one eye was able to see through the somewhat opaque glass.

Lorissa, just past her eighteenth birthday, was on all fours on a low bed of rectangular hay bales, which raised her up to a more suitable height for being bred by the gryphon atop her lithe body. Bren was one of the finer mounts in the stable, with dark fur the same shade as damp loam, and feathers of auburn that seemed to shimmer in the lamplight. He was keening softly in pleasure as he pumped his member deep into the young woman's sex. They were positioned in profile, so Melanie had a reasonably good view of what was happening.

As she watched Bren roughly fucking her sister, Melanie felt a couple of emotions welling up in her: disbelief that someone could be so depraved as to let themselves be screwed by an animal, and intense curiosity about what it'd be like. She chewed on her bottom lip, her gaze fixed upon the illicit scene before her. Her focus switched between her sister's face, and what she could see of Bren's erection as it drove deep into Lorissa's tunnel.

The elder princess continued to moan and scream encouragement to her mount, begging him to screw her harder and fill her with his hot cum. Her cries increased in volume, as if she didn't care that she might be heard, until with a shriek she climaxed, thrusting herself back against the gryphon's crotch, grinding his cock even deeper into her.

The gryphon reached his peak at the same time, letting loose an ululating keen as he spilled his fertile seed within his human partner. He seemed to be locked inside her; Melanie moved to the other side of the window to try to get a better look. As she did so, she stepped on a small rock. It rolled beneath her foot, causing her to pitch sideways and fall heavily to the ground. A loud exclamation of pain slipped from her throat as her breath was knocked out of her.

"Who's there?" came Lorissa's voice. It had a slightly frightened tone in it.

Melanie lay still for a few seconds, torn between keeping still and revealing herself. She chewed her lip again in indecision, then slowly pushed herself onto her feet again. "It's... it's me... Melanie." The girl moved in front of the window, letting her sister see her.

The expression on Lorissa's face was unreadable. "Come in here. Quickly!" she said, gesturing toward the back door of the stable.

Melanie hurried around to the rear end of the stable, and saw that the door was slightly ajar. It creaked loudly as she slipped through it, scaring her slightly. She closed the door firmly, and wandered with rapidly beating heart towards the stall her sister was in, stopping at the stall's door, to stare at the unusual tableau before her.

The gryphon turned his head to peer at Melanie with his piercing golden eyes, and keened softly in recognition. Lorissa turned her head as well. "So," she began quietly, "you've discovered my filthy secret."

The younger girl glanced around the stall, and saw a low stool in the corner. She sat down upon it, and looked back at Lorissa. "Yeah, I guess so," she replied. She cast her eyes briefly over her sister's body, noting how big and firm her breasts were. Her belly was slim, with just a little bit of a paunch - or maybe it was the bulge of the gryphon's cock. Further back, her buttocks were slightly flabby, but they looked as if they'd provide good cushioning for her sexual partners. "Uh... how long have you been, um...."

"Fucking Bren?" finished Lorissa. She smiled wryly and brushed a few wayward locks of scarlet hair from her face as she thought. Bren shifted position a little, causing the girl to shudder and gasp. "Uh... not sure. Four, five months? It was when Daddy went away to Livura for that funeral."

"Ah, I remember."

An awkward silence followed, until Bren attempted to pull away from Lorissa. She gritted her teeth and dug her fingers into the hay, panting hard as the gryphon's knot pulled at her hairless sex, stretching her labia wide as the knot tried to pass through. Suddenly it popped out with a sticky 'shlurp', and Melanie could get her first good look at a gryphon's member. Her eyes wide with shock and curiosity, the girl moved off the stool and shuffled closer, ignoring her sister for the moment. Bren's cock was about the length of her forearm, and almost as thick. The flesh was mostly dark pink, but mottled with different shades of red and purple. The tip was tapered with a slight dent in it. At the base was a large knot with several vertical ridges on it; even somewhat shrunken it was still larger than her fist. "All that... was inside you?" Melanie asked incredulously.

"Mmhmm. Every inch of it," Lorissa replied, unsteadily getting to her feet. "Oof! It feels like hours since I was upright."

Melanie turned her head to look at her sister, and saw thin trails of translucent fluid dribbling down her legs. "Is that... what I think it is?"

"What?" Lorissa looked down to see where Melanie was staring. "Oh, yeah. That's cum. Bren makes a lot of it. Don't you, boy?" she said, stepping over to the gryphon and giving him a light cuddle around the neck.

Bren clacked his beak and chirruped, nuzzling the tip of his beak into Lorissa's long wavy hair.

"Mmm." Melanie eventually managed to tear her gaze away from the glistening trails and stood up. "It won't... make you pregnant, will it?"

"Of course not, silly," Lorissa chided. "If it did, either I'd have a huge belly, or you'd see little hybrids running around." She reached down between her legs and swiped up some of the cum leaking from her sex, then raised it to her mouth to lick it off.

Melanie made a face of disgust. "Eww!"

"It doesn't taste all that bad, actually," Lorissa said, sucking on a finger. "It's sort of... bitter, metallic... with a bit of spice." She smiled at her younger sister. "Would you like to try some?"

"Um... I dunno," Melanie murmured, feeling a bit unsure. She was curious, but perhaps not quite that curious. "It's just... gross."

Lorissa sat down on the hay bales again, spreading her legs apart slightly, just enough to give Melanie a reasonable view of her cum-spattered sex. She stroked her fingertips lightly over her labia, spreading them teasingly. Some of Bren's emission oozed into view, thick and creamy. "Are you sure? Just give it a try - you might like it."

Melanie chewed on her bottom lip again as she considered it. She glanced briefly at Bren, who had lain down in the straw and was now watching them with his golden eyes, then glanced back at her sister's pussy. As repulsive as the thought was, she had to admit to herself that she was very curious about how gryphon cum tasted.

The girl moved closer, crouching down on the ground before her elder sister. She stretched forth her hand and tentatively stroked the tip of her index finger between Lorissa's spread sex lips, gathering a large glob of semen upon it. She lifted it to her nose and sniffed it. "It smells... weird," she murmured. She examined it for a few seconds, then slipped the finger into her mouth before she could lose her nerve.

"What do you think?" Lorissa asked, her lips slightly curved in an enigmatic smile.

Melanie spent a few seconds sliding her tongue around inside her mouth before she swallowed. "I'm... not sure. It's okay, I guess. Not really enough to get a good taste."

"There's plenty more where that came from." Lorissa spread her legs further and leaned back, rubbing her fingers up and down her slit. "If you're game enough."

A light blush came to Melanie's cheeks when she realised what her sister was implying. "I... think so. If you, um, want me to."

Lorissa's smile widened, and she nodded. "I'd love it if you would eat me out. And... if you like, I'll do the same for you."

Melanie's blush deepened. She shifted forward, until her face was only a few inches away from Lorissa's crotch. There was a vague hint of her sister's scent, but it was strongly overlaid with the somewhat ammoniac aroma of Bren's cum. She hesitated for a few moments, then moved her head closer, sticking out her tongue to lick gently at the swollen nub of her sister's clit, removing the large bead of semen that was sitting there. She swirled her tongue around a little, making sure that the clit was clean, then moved up to slide it over her sister's bald mons. There was just a little stubble there, showing that Lorissa had shaved very recently. It felt rough against her tongue.

"Mmm, that feels good, sis," Lorissa murmured. She watched intently as her younger sister lapped over her crotch with small circles of her tongue, in an almost catlike manner. "Move down a little more."

Melanie did so once she'd cleared most of the cum from Lorissa's pubic mound. She sat back briefly, looking at her sister's sex. "How long have you been shaving?" she asked, finally noticing the complete absence of hair from that region.

"Only a couple of months. The kitchenhand I've been shacking up with prefers his pussy to be free of hair." Lorissa smirked a little after that admission. "I get the impression that he's been playing around with the younger crowd."

"Oh, right. I see," Melanie answered, blushing further when she understood. "Well, I think you look very nice shaved. And there's no hair to get caught in my mouth."

"Exactly. Feels great too, until the stubble gets longer. I have to trim it every couple of days." Lorissa stroked the fingers of her right hand through Melanie's soft, straighter hair. "Maybe sometime when you've got a playboy I could shave you. Mmm?"

Melanie chewed at her lip again. "Maybe." She resumed her oral ministrations, sliding the tip of her tongue right up one side of her sister's sex, scooping up a generous puddle of cum. She swilled it around briefly before she swallowed. The taste was definitely one to be acquired, but she found that she'd got used to it, and was finding it rather enjoyable overall.

She cleaned up the other side, then went even lower to flick her tongue over her sister's crinkled rosebud. That elicited a pleased gasp, and the tight ring flexed briefly. A nasty thought ran through Melanie's mind as she rimmed Lorissa. I wonder if she's been taken up the arse before?

Melanie's tongue roamed further afield, lapping up as much cum as she could find before she turned her attention to the main prize. She looked up at her sister and smiled at her, a little shyly. "Is... is there any more in there?"

"Why don't you find out for yourself?" came the answer. Lorissa smiled back. "I'd swear you've done this before."

"I haven't, really," replied Melanie. "I'm just sort of doing what comes naturally, I guess." She shifted her attention back to the pussy in front of her, gazing at it for a few seconds. Another glob of semen oozed out as Lorissa flexed her muscles, as if enticing her. The girl licked it up, then went in for the kill. Her lips parted, and her tongue slipped into the dark tunnel between Lorissa's labia, searching for more of the creamy goo. The tip of her tongue wiggled up and down, side to side, lapping at the cum that her sister helpfully pushed down her passage.

After several minutes Melanie had cleaned Lorissa out as best she could. She sat back, moving her jaw around to ease the stiffness she'd developed whilst she had her mouth open. The underside of her tongue was a bit sore as well, from trying to extend it too far.

"That happens," Lorissa said understandingly. "It's worse when sucking cock, though." She looked up at the window, then blinked. "Crap, it's just about dawn! We'd better get back to our beds." She slipped off the hay bales and left the stall to retrieve her clothes.

"Easier said than done." Melanie went to the window and squinted through it, trying to see the castle. She could see a lightening in the sky, and knew that the sun would be coming into view in just a few minutes. "This is when the guards change."

"Damn!" Lorissa came back, wiggling into a brown leather jacket. "Maybe we could pretend that we couldn't sleep, and decided to go out for a walk around the grounds?"

Melanie thought about that. "Sounds a bit flimsy to me, but I can't think of anything else." She turned from the window and leaned against it. "Oh, we'd better clear up here, too!"

The two girls quickly dismantled the hay bale 'bed' and returned the bales to their storage area, grunting a bit with the effort. "You know, it also really reeks of sex in here," Melanie noted.

"I know, but it'll clear in a few hours. Even if someone does notice, they'll probably think that someone's come in for a quickie."

Melanie looked at Lorissa sceptically. "In a stall with a big gryphon?" She snorted derisively. "Of course they will."

Lorissa looked a bit flustered. "Okay, so they might think that someone had some fun with Bren, but who's going to admit that?"

"True." Melanie sighed and glanced briefly around the stall. "I think we're done here."

They left the stable through the back door, which Lorissa closed firmly behind them, then boldly strode back to the castle. They'd timed it so that the old guards had gone off duty. They were naturally questioned about their being out so early, but Lorissa's suggested lie seemed to satisfy them. "That was close," Melanie murmured to Lorissa as they slipped into the castle and took a few back passages up to their bedroom. They met a few servants and valets on the way, but they were ignored, aside from a nod of recognition.

"I think in future we'll sneak out a bit earlier." Lorissa grinned at Melanie. "Whaddaya say, Mel? Want to come out again tomorrow night?"

Melanie blushed again and looked down at the threadbare hallway carpet as she strode. "Uh, I guess so. I mean, I did have fun with you. And... there's something about it all that makes it all so thrilling because it's so wrong."

"Mmhmm. The pleasure of doing something you shouldn't be - every parent's nightmare." Lorissa stopped in front of their bedroom door and winked at her. "Remember... not one word to anyone."

"Wild gryphons couldn't drag your secret from me."

Lorissa opened the door and went into the room. "You know, it's your secret too, now," she said as she closed the door.

"Yeah, I guess so," Melanie replied. She yawned widely and stripped off, pulling on her nightdress before crawling back under her furs. "Eeee, it's cold!" she protested.

There was a snicker from the other side of the room. "My bed's cold too. Pity I can't bring Bren in here. It'd make our trysts so much easier."

"Then you'd really have to explain the smell of sex, and clean up really well afterwards," Melanie pointed out.

Lorissa sighed. "Yeah, you're right." She yawned noisily and rolled over onto her side. "Anyway, we'd better get what sleep we can before wake-up."

"Mmm. Night, Lori." Melanie stretched out onto her side and nestled her head into her feather pillow.

"Night, Mel."