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Aunt's 18 and 19 Year Old Nieces

Aunt Fiona eagerly licks and tribs her flirty step-nieces Marisol and Silas at their secluded lakeside cabin.

18 min read October 14, 2026New

Fiona stood on the weathered planks of the dock as the rental car crunched to a stop beside the pines. At forty-two she still carried the long legs and full hips that had turned heads for two decades, her dark hair loose around her shoulders, a simple white linen shirt unbuttoned just far enough to show the upper curves of her breasts. She had spent the morning airing the cabin, stocking the fridge, and telling herself she would keep her hands to herself. The moment the car doors opened that promise felt paper-thin.

Marisol unfolded first, eighteen, olive-skinned, glossy black hair cascading down her back. The bikini she wore was two scraps of emerald fabric that barely contained high, round breasts and disappeared between the cheeks of her ass when she bent to grab her bag. Silas followed, nineteen, taller, freckled across the nose, honey-blonde hair twisted up, her own tiny red bikini leaving almost nothing to the imagination. Both girls broke into matching grins the second they saw their aunt.

“Aunt Fiona,” Marisol purred, sashaying up the path on bare feet. “You look edible.” She rose on her toes and pressed a kiss to Fiona’s cheek that lingered half a second too long, soft lips brushing skin, the faint scent of coconut oil and young sweat rising between them.

Silas came in from the other side, arms sliding around Fiona’s waist, palms splaying low on her lower back. “We almost didn’t make it. Marisol kept talking about how good you’d look out here with no one around.” Her breath warmed Fiona’s ear. “She was right.”

Fiona’s pulse jumped. She hugged them both, feeling the press of firm young bodies, the heat of bare midriffs against her shirt. “You two are incorrigible,” she said, voice huskier than she intended. “Come inside. Or don’t. The lake’s perfect.”

They chose the deck. Fiona poured chilled white wine into three glasses while the girls sprawled on the wide outdoor sofa, legs tangled, sunlight glinting off oiled skin. Marisol stretched, arching so her breasts nearly spilled free. Silas’s gaze tracked Fiona’s every movement— the sway of hips, the flash of thigh when the linen shirt rode up.

“You’ve been working out,” Silas said, accepting her glass. Her freckled fingers brushed Fiona’s as she took it. “Those legs. God.”

Marisol sipped and let her free hand settle openly on Fiona’s knee when the older woman sat between them. “I told Silas you’d still be hot. I used to sneak looks whenever we visited. Remember that summer you wore the black one-piece? I went home and touched myself thinking about peeling it off you.”

Fiona’s breath caught. The cabin sat far enough from any road that only the lap of water and the occasional call of a loon broke the quiet. No neighbors. No interruptions. Just the three of them and the thick golden light of late afternoon sliding toward sunset.

“You’re both adults now,” Fiona said carefully, though her thighs had already parted a fraction under Marisol’s stroking fingers. “You can say things like that. Doesn’t mean I should answer.”

Silas leaned in, lips near Fiona’s other ear. “But you want to. You’ve looked at us the same way since we got out of the car. Like you’re starving.” Her hand found Fiona’s opposite thigh, sliding higher, fingertips tracing the soft inner skin just beneath the hem of the shirt. “We talked about it the whole drive. How we wanted to get you alone. How we wanted to taste you.”

Marisol’s nails skimmed higher still, grazing the edge of Fiona’s simple cotton shorts. “Tell us you haven’t thought about it. Tell us you don’t want your nieces’ mouths on you.”

Fiona closed her eyes for a second, wineglass trembling slightly. When she opened them the sun was dropping, painting the lake copper. Honesty felt safer than denial out here. “I’ve wanted you both for longer than I should admit,” she said, voice low. “Every holiday, every quick visit. I’d go to bed afterwards and imagine Marisol’s tongue between my legs while Silas sat on my face. I told myself it was wrong. Step-nieces. Off-limits. But looking at you right now in those ridiculous bikinis… I don’t care about limits.”

Marisol made a soft, hungry sound. “Good. Because we’ve wanted you just as long. I used to practice kissing on my pillow thinking it was your mouth. Silas used to make me describe what I’d do to your tits until we both came.”

Silas’s fingers slipped fully under the shorts now, finding bare skin, no panties. Fiona had dressed for heat and comfort; now she was exposed. “You’re already wet,” Silas whispered, stroking the outer lips once, slow and deliberate. “Feel that? That’s for us.”

Fiona set the wine aside before she dropped it. She turned her head and captured Marisol’s mouth in a deep, open kiss. The eighteen-year-old tasted like wine and mint, tongue eager, moaning into Fiona’s as she climbed half into her aunt’s lap. Silas watched for only a moment before leaning in from the other side, claiming the corner of Fiona’s lips, then the hinge of her jaw, then lower, biting gently at the tendon of her neck while her fingers parted slick folds and rubbed slow circles over the swollen clit.

“Inside,” Fiona gasped when they broke for air. “Bedroom. Now. I need more room to touch both of you.”

They rose in a tangle of limbs. Marisol tugged Fiona’s shirt open as they moved, buttons popping, full breasts spilling free into warm evening air. Silas’s hands stayed busy, sliding the shorts down Fiona’s hips so they dropped to the deck boards. Bare-assed, flushed, Fiona led them through the sliding glass doors into the cool cabin, down the short hall to the big master bedroom that faced the water. The bed was already turned down, white sheets glowing in the last light.

Marisol pushed Fiona onto the mattress and crawled over her, bikini top discarded somewhere along the way. Heavy, perfect breasts swayed above Fiona’s face. Fiona lifted her head and took one dark nipple into her mouth, sucking hard, feeling the younger woman shudder. Silas stripped the rest of the way, red bottoms hitting the floor, then climbed up beside them, straddling one of Fiona’s thighs so her bare pussy left a wet trail across the skin.

“Look at her,” Silas said to Marisol, voice thick. “Our hot aunt all spread out for us. I want to watch you sit on her face while I eat her.”

Marisol’s eyes shone. She kissed Fiona again, filthy and deep, then whispered against her lips, “Is that what you want? My cunt on your mouth while Silas licks you open?”

“Yes,” Fiona answered without hesitation, hands already gripping Marisol’s hips, guiding her upward. “Both of you. Everything. Don’t stop.”

Marisol swung a leg over, knees bracketing Fiona’s ears, the scent of her arousal sharp and sweet. She lowered herself slowly. Fiona’s tongue met her at once, flattening against the smooth, shaved lips, then pushing between them to taste the slick heat inside. Marisol cried out, grinding down, hands braced on the headboard. Below, Silas settled between Fiona’s spread thighs, spreading her open with both thumbs, then dragging a long, deliberate lick from entrance to clit.

Fiona moaned into Marisol’s pussy, the vibration making the girl above her buck. Silas’s tongue was relentless—broad strokes, then pointed flicks, then a soft suckling that pulled Fiona’s clit between warm lips. Two fingers slid inside her, curling, finding the spot that made her hips jerk. Marisol ground harder, chasing the pressure of Fiona’s tongue on her own clit, thighs trembling.

They moved like that for long minutes, the room filling with wet sounds and breathless curses. Fiona’s hands roamed—up Marisol’s back, down to squeeze the firm cheeks of her ass and pull her tighter against her mouth, then reaching blindly for Silas’s hair to hold her in place. Silas hummed approval and added a third finger, fucking them in steady rhythm while her tongue never left the swollen bud.

Marisol came first, sudden and loud, thighs clamping around Fiona’s head as she flooded her aunt’s mouth. Fiona drank her down greedily, tongue working until the girl whimpered from sensitivity and lifted off, collapsing to the side. Immediately Silas surged up Fiona’s body, kissing her hard, sharing the taste of Marisol still on both their tongues. Their breasts pressed together, nipples dragging. Marisol recovered enough to lean in and suck one of Fiona’s nipples while her hand slid between the two of them, fingers finding Silas’s soaked cunt and rubbing in tight circles.

“Switch,” Marisol ordered, voice rough. “I want to taste Aunt Fiona properly. Silas, sit on her face. Let her finish you.”

They rearranged without argument. Silas straddled Fiona’s mouth facing the foot of the bed so she could watch. Marisol settled between Fiona’s legs, spreading them wide, staring for a long moment at the flushed, glistening pussy before diving in with open hunger. Her tongue was smaller than Silas’s but quicker, fluttering, then spearing deep. Two fingers hooked inside while her free hand reached up to pinch and roll Fiona’s clit.

Fiona licked into Silas like she was starving, hands gripping the nineteen-year-old’s ass, pulling her down so she could fuck her with her tongue. Silas rode her face openly now, grinding, moaning, reaching back to squeeze Fiona’s breast. The three of them were a single heated tangle—mouths and fingers and wet skin, the slap of thighs, the creak of the mattress.

Fiona felt her own orgasm building under Marisol’s skilled mouth, the pressure coiling tight in her belly. She doubled her efforts on Silas, sucking the girl’s clit hard, two fingers thrusting up into her. Silas shattered with a broken cry, pulsing around Fiona’s fingers, juices dripping down her chin. The taste and the sound pushed Fiona over. She came hard against Marisol’s tongue, thighs shaking, a long low moan vibrating into Silas’s still-twitching cunt.

They collapsed together in a sweaty heap, limbs tangled, chests heaving. Outside the window the last orange light faded from the lake. Inside, hands still wandered lazily—Marisol stroking Fiona’s damp inner thigh, Silas nuzzling the curve of a breast, Fiona’s fingers tracing idle circles on whichever soft hip she could reach.

No one spoke of stopping. The night was young, the cabin was theirs alone, and the hunger that had simmered for years had only just begun to feed. Fiona turned her head and kissed first one niece, then the other, slow and deep, already feeling fresh heat gather between her legs as young hands began to roam again with clear intent.

Fiona’s fingers found the soft give of Silas’s hip and the warmer curve of Marisol’s breast almost at the same time. The kisses she had just shared still tingled on her lips, wine and girl-sweetness and the deeper musk of what they had already done. Fresh wetness slicked her inner thighs; the nieces’ hands moved with open hunger, no hesitation left between any of them.

Marisol rose first onto her knees, eighteen-year-old body gleaming under the low bedroom lamp. “I want your tongue again, Aunt Fiona. Right now.” She swung one smooth leg across Fiona’s chest, then higher, until the shaved lips of her cunt hovered an inch above her aunt’s mouth. The scent hit Fiona like a drug—salt and coconut oil and the fresh cream of Marisol’s last climax. Fiona’s hands locked on the younger woman’s ass and pulled her down.

Marisol settled fully, grinding in a slow circle so that her clit dragged across Fiona’s eager tongue. Fiona licked deep, flat and greedy, tasting the fresh flood that welled out of her. Marisol braced on the headboard and rode, hips rolling, soft curses spilling out. “Fuck—yes—just like that. Suck it.”

At the same moment Silas knelt between Fiona’s spread thighs. The nineteen-year-old’s freckled face lowered; her tongue dragged a long, deliberate stripe from Fiona’s entrance up over the swollen clit, then again, slower. Two fingers pushed inside without warning, curling immediately against the front wall. Fiona moaned hard into Marisol’s cunt, the vibration making the girl above her buck. Silas fucked those fingers in a steady rhythm while her mouth sealed over Fiona’s clit and sucked.

The bed creaked. Wet sounds filled the room—Fiona’s tongue lapping, Silas’s fingers plunging, Marisol’s soft wet slap against her aunt’s chin. Fiona’s mind spun with nothing but sensation: the weight of Marisol’s thighs bracketing her ears, the perfect heat of her dripping pussy, the relentless tongue and curling fingers between her own legs. She reached blindly, found Silas’s honey-blonde hair, and held her niece tighter to her cunt.

“You’re so fucking wet for us,” Silas murmured against Fiona’s folds, voice muffled, then drove a third finger in. Fiona’s hips jerked. Marisol ground harder, chasing the pressure of that skilled tongue on her clit, breasts swaying above Fiona’s face. “Look at her taking it,” Marisol panted to her sister. “Our hot aunt getting eaten while I use her mouth. God, I’m close already.”

Fiona licked faster, spearing her tongue as deep as she could, then sealing her lips around Marisol’s clit and sucking in time with the thrust of Silas’s fingers. Marisol’s thighs began to shake. Silas’s free hand reached up, pinched one of Fiona’s nipples hard, rolled it, and Fiona felt the first sharp pulse of her own approaching orgasm. She fought it back; she wanted them to switch first, wanted everything the night still promised.

Marisol came with a sharp cry, flooding Fiona’s tongue, hips stuttering. She stayed seated another few heartbeats, riding out the aftershocks, then lifted off with a wet sound and collapsed sideways, chest heaving. “Switch,” she ordered, voice raw. “Silas, sit on her face. I need to feel her pussy on mine.”

They moved like they had rehearsed it a hundred times in fevered daydreams. Silas climbed up Fiona’s body, turned, and lowered her dripping cunt onto her aunt’s waiting mouth, facing the foot of the bed so she could watch. Fiona’s tongue met her at once, greedy, thrusting up into the tight heat. Silas groaned and sat fully, grinding in slow filthy circles.

Marisol slid between Fiona’s still-spread thighs. Instead of her mouth she pressed her own soaked cunt flush against her aunt’s. Slippery folds kissed, clits nudged, and Marisol began to rock. The trib was immediate and filthy—hot, slick drag of cunt on cunt, the wet slap of hips, Marisol’s juices mixing with Fiona’s until everything shone. Marisol braced her hands on Fiona’s breasts, thumbs stroking the nipples, and ground harder.

“Feel that?” Marisol gasped. “My pussy kissing yours. Fuck, you’re so swollen.” She rolled her hips in a tight figure-eight, clit dragging over clit, and Fiona moaned helplessly up into Silas. Silas reached back, one hand fisting Fiona’s dark hair, the other pinching her own nipple while she rode that eager tongue. “She’s licking me so deep. Don’t stop, Aunt Fiona—use your fingers too.”

Fiona obeyed, sliding two fingers up into Silas while her tongue worked the clit. Below, Marisol’s grinding grew frantic. Every slide sent sparks straight through Fiona’s core. She could feel how swollen she was, how the pressure of Marisol’s cunt against hers was winding the coil tighter and tighter. Silas’s juices dripped down her chin; Marisol’s cries grew louder. The three of them moved as one heated machine—mouths and cunts and fingers, the mattress complaining under the force of it.

Fiona’s orgasm built like a wave she could no longer hold. She sucked Silas’s clit hard, fucked her fingers faster. Silas shattered first, crying out, cunt clamping and pulsing around the fingers, a fresh flood pouring over Fiona’s tongue and chin. The taste and the broken sound pushed Fiona over. She came hard, thighs locking around Marisol’s hips, cunt spasming against the younger woman’s in long, shuddering pulses. Marisol felt every flutter and ground down mercilessly, chasing her own peak. Ten more hard rolls of her hips and she came too, wailing, squirting a thin hot spray across Fiona’s lower belly as her clit throbbed against her aunt’s.

They stayed locked together through the aftershocks—Silas still sitting on Fiona’s face, trembling, Marisol collapsed forward so her breasts crushed against Fiona’s, all three of them gasping. Fiona’s tongue gave lazy final licks; Marisol’s hips twitched with every small residual pulse. The air smelled of sex and sweat and lake water through the open window.

Eventually Silas lifted off and stretched out along Fiona’s side. Marisol stayed half on top, thighs still tangled, their cunts soft and slick against each other. Hands wandered again almost at once—Silas cupping one of Fiona’s breasts, thumb circling the nipple; Marisol’s fingers tracing the wet crease where their bodies still touched. Fiona turned her head and kissed Silas slow and deep, tasting herself and both nieces mixed together, then turned the other way and did the same to Marisol.

No one reached for sheets or sleep. The night outside the cabin was black and quiet; inside, three pairs of eyes stayed half-lidded with fresh hunger. Fiona felt Marisol’s thigh shift, felt Silas’s mouth begin to travel down the side of her neck toward her breast again. The shared orgasms had only sharpened the edge. Fiona’s cunt still throbbed, open and ready, and both nieces were already moving with clear, deliberate intent toward whatever came next.

They lay tangled a while longer, chests rising and falling in ragged unison, the sharp edge of the last climax finally ebbing into a heavy, sated warmth. Fiona’s tongue still carried the mixed salt of both nieces; Marisol’s thigh stayed slick against hers; Silas’s freckled cheek rested on the upper slope of one full breast. No one spoke at first. Outside, the lake lapped the pilings in slow black rhythm. Inside, three heartbeats slowed together until the air no longer tasted of pure urgency.

Fiona was the first to stir. She brushed damp hair from Marisol’s temple, then from Silas’s, and murmured, “Shower. Before we stick to the sheets.”

Marisol laughed, low and lazy. “Only if you soap me.” Silas stretched, breasts lifting, nipples still tight. “And me. Every inch.”

They rose on unsteady legs, bare feet padding across cool floorboards into the wide bathroom that overlooked the water. Fiona twisted the rain-head on; steam billowed almost at once, soft and scented with the cedar walls. The three of them stepped under the spray together, bodies fitting as if they had done this a hundred secret times.

Water sheeted over Fiona’s forty-two-year-old curves first—full breasts, the soft give of her belly, the still-swollen lips between her thighs. Marisol pressed in from the front, eighteen-year-old olive skin gleaming, high round tits slick and shining. Silas molded herself to Fiona’s back, nineteen and long-limbed, freckles darkening under the heat. Four hands reached for the bottle of unscented soap at the same moment.

Marisol poured a thick ribbon into her palm and started at Fiona’s throat, working the lather down in slow circles. “You’re still shaking a little,” she whispered, thumbs brushing the hollow above Fiona’s collarbones. “I love that we did that to you.” She soaped lower, cupping each heavy breast, thumbs stroking over the nipples until they stood tight again, then sliding lower still across the soft plane of Fiona’s stomach. Soap frothed white against dark curls. Marisol’s fingers slipped between her aunt’s legs without haste, cleaning the folds she had just licked clean, lingering on the sensitive clit until Fiona’s breath hitched.

Behind her, Silas worked Fiona’s shoulders, then the long line of her spine, palms gliding over the full cheeks of her ass, spreading them gently under the spray so water and soap could rinse every crevice. “Your cunt tastes even better wet,” Silas murmured against the wet shell of Fiona’s ear, one soapy finger tracing the cleft and pressing lightly against the tight pucker before sliding lower to join Marisol’s hand. Two sets of fingers soaped Fiona’s pussy together—careful, thorough, tender—until she was clean and throbbing again.

Fiona turned in their arms and returned the favor. She poured soap over Marisol’s collarbones and washed the younger woman’s breasts with open palms, feeling the weight of them, the way the dark nipples hardened under her thumbs. She kissed Marisol under the spray—slow, deep, tongues sliding—while her hands traveled down the smooth plane of that eighteen-year-old belly and between her thighs. Marisol’s shaved lips were still puffy; Fiona cleaned them with two fingers, circling the clit, rinsing away the earlier cream until only warm water and fresh arousal remained. Marisol moaned into the kiss and rocked against the hand.

Silas waited her turn with open hunger. Fiona faced her next, soaping the freckled chest, the smaller but perfect tits, the long waist. She dropped to her knees on the wet tile without being asked, water cascading over her dark hair, and washed Silas’s cunt with her tongue and fingers both—lapping the soap away, sucking the clit clean, two fingers gliding inside just long enough to feel the nineteen-year-old clench. Silas braced one hand on Fiona’s shoulder and the other on Marisol’s hip, head thrown back under the spray, soft curses spilling out.

They traded places until every inch of every body had been touched: Marisol on her knees licking soap from Silas’s ass, Silas kissing Fiona’s throat while soaping Marisol from behind, three mouths meeting in wet, open kisses that tasted of water and skin. The shower stall filled with the slap of wet flesh, the slide of lathered thighs, quiet laughter that kept turning into moans. Fiona’s mind floated in a haze of steam and younger heat—her step-nieces’ bodies under her hands, the way Marisol’s tongue found her mouth every time she turned, the way Silas’s fingers never quite stopped stroking her clit even while rinsing it.

When the water finally ran cooler they stepped out, toweling each other with the same unhurried care. No one reached for clothes. Fiona led them back to the big bed, sheets still rumpled and faintly damp from earlier. They climbed in naked, limbs arranging themselves by instinct: Fiona in the middle on her back, Marisol curling against her right side, head on her shoulder, one leg thrown over Fiona’s thigh so her bare pussy pressed warm against the older woman’s hip. Silas molded to the left, freckled breast crushed to Fiona’s side, fingers already tracing idle patterns on the soft underside of a heavy tit.

The lamp stayed low. Outside the window the lake was pure black. Inside, hands moved in soft caresses—Marisol’s fingertips circling Fiona’s nipple, Silas’s palm sliding down the soft curve of Fiona’s belly to rest protectively over her cunt, two fingers just cupping without pressing. Fiona stroked Marisol’s glossy black hair and Silas’s honey-blonde strands in turn, feeling the satin of their skin, the heat that never quite cooled.

“I want this again,” Marisol whispered against Fiona’s collarbone, voice thick with leftover lust and something gentler. “Soon. Like, tomorrow morning soon. I want your tongue in me before coffee.” Silas nuzzled closer, lips brushing Fiona’s ear. “And I want to trib you until you squirt on my clit again. We can stay the whole week. No one else knows we’re here. Just us and this bed and your mouth.” Fiona’s free hand slipped between Marisol’s thighs and found her still slick, then reached the other way to cup Silas the same. “I’ll eat you both for breakfast,” she answered, soft and sure. “And lunch. And after dinner on the dock. I’ve waited too long to stop now.”

They whispered more of the same—plans for the morning, for the afternoon, for every empty room of the cabin—while fingers traced lazy ovals over damp skin, over still-swollen folds, over the marks their mouths had left. Marisol’s thigh flexed, pressing her cunt tighter to Fiona’s hip. Silas’s breath warmed Fiona’s neck in slowing waves. The caresses never stopped, only grew heavier, slower, until the words thinned into contented hums.

Sleep took them the way the lake took light: gradually, completely. Marisol’s head stayed pillowed on Fiona’s breast, lips parted against the soft flesh. Silas’s leg remained locked over Fiona’s, her hand still cupped protectively between her aunt’s thighs. Fiona’s arms held them both, one palm splayed on Marisol’s ass, the other tangled in Silas’s hair. Three naked bodies breathed in the same rhythm, cunts soft and open and faintly glistening against one another, the air still heavy with the smell of soap and sex.

Fiona’s last conscious thought was of how wet her step-nieces’ cunts still felt against her skin, and how soon she would spread them both wide again and fuck them with her tongue until they screamed.

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