Aunt Carolines Forbidden Back to School Stretch With Nephew Incest Story

Aunt Caroline’s Forbidden Back-to-School Stretch With Nephew Incest Story

📖 16 mins read

Caroline stood in the doorway of her home office, watching her nephew Ethan’s broad shoulders as he bent over the new gaming computer. He was twenty-one now, home for the final stretch of summer before heading back to college, and every time she looked at him she felt that same low, dangerous heat that had been building for months.

She was thirty-eight, single, and had always been the “fun aunt.” She played tennis three times a week at the club, bowled in a mixed league on Thursday nights, and kept a high-end gaming rig because she loved fantasy RPGs almost as much as she loved the way Ethan’s eyes followed her when he thought she wasn’t looking.

Tonight she had invited him over under the excuse of helping her set up the new computer. The tower sat on the desk, RGB lights already pulsing soft blues and purples. Ethan’s fingers moved confidently over the keyboard and mouse as he installed drivers and configured the display.

Caroline leaned against the doorframe in a thin white tank top and black yoga pants that clung to every curve. No bra. Her full breasts pressed against the soft cotton, nipples already half-hard from the cool air of the office and the knowledge of what she planned to do.

“Almost done?” she asked, voice low.

Ethan glanced back. His eyes dropped for half a second to her chest before he forced them up again. “Yeah. Just need to test a couple games. You still play that elf one, right? The high-fantasy MMO?”

Caroline smiled. “I do. I even bought the new cosmetic pack last week. Silver hair, leaf-pattern armor that barely covers anything. Perfect for a high-elf sorceress.”

She walked over and stood behind his chair, resting one hand on his shoulder. The heat of his body bled through the thin fabric of his t-shirt. She could smell the clean soap on his skin mixed with a faint trace of the cologne she had bought him last Christmas.

“Boot it up,” she said. “I want to see how the new graphics look.”

Ethan logged into the game. The loading screen filled with sweeping forests and ancient stone ruins. Caroline reached past him, her breast brushing the back of his neck as she guided the mouse to her character. The high-elf sorceress appeared on screen — tall, elegant, silver hair cascading down her back, wearing nothing but strategically placed strips of leaf-shaped metal and translucent silk.

Ethan swallowed. “Jesus, Aunt Caroline…”

“What?” she laughed softly. “It’s just a game. Or is my little warrior getting distracted?”

She didn’t wait for an answer. Her hand slid from his shoulder down his chest, over the hard planes of muscle he had built at the campus gym, and lower still until her palm rested on the growing bulge in his jeans.

Ethan went completely still.

Caroline leaned in, lips brushing the shell of his ear. “I’ve seen the way you look at me, Ethan. At the bowling alley when I bend over to pick up my ball. On the tennis court when my skirt flips up. Every time I lean over this desk. You’ve been hard for your aunt for a long time, haven’t you?”

His voice came out rough. “Yes.”

“Good boy.” She gave the hard length under her hand a slow squeeze. “Then let’s stop pretending.”

She spun his chair around and dropped to her knees between his spread thighs. Ethan’s hands gripped the armrests as she opened his jeans and freed his cock. It was thick, heavy, and already leaking at the tip — bigger than she had expected, the kind of cock that would stretch a woman open and leave her feeling it for days.

Caroline wrapped both hands around the shaft and stroked him slowly, watching the head glisten. “Look at you. My sweet nephew, all grown up and ready to ruin his aunt.”

She leaned forward and took him into her mouth. The salty taste of precum spread across her tongue as she sank down, lips stretching around the thick girth. Ethan groaned, hips twitching upward. Caroline took him deeper, relaxing her throat until her nose pressed against the soft hair at his base. She held there, swallowing around him, then pulled back with a wet sound and licked a long stripe up the underside.

“Fuck… Aunt Caroline…”

She stood, peeled her tank top over her head, and let her breasts fall free. Ethan’s eyes locked on them — full, soft, with dark pink nipples that tightened under his stare. She hooked her thumbs into the waistband of her yoga pants and pushed them down along with her panties, kicking them aside. Completely naked now, she straddled his lap in the gaming chair, the head of his cock nestling against her already slick folds.

“I’ve wanted this for so long,” she whispered, grinding slowly so the thick head parted her lips. “Wanted my nephew to stretch me open and fill me up.”

She reached down, guided him to her entrance, and sank.

The stretch was immediate and intense. Ethan’s cock was thicker than anything she had taken in years. Her pussy fluttered and clenched as inch after inch forced its way inside, stretching her walls wide. Caroline’s mouth fell open on a broken moan. She kept sinking until she was fully seated, her ass resting against his thighs, the head of his cock pressing hard against her cervix.

“Oh my god… you’re so big… stretching your aunt so wide…”

Ethan’s hands gripped her hips hard enough to leave marks. “You’re so tight. Fuck, you feel incredible.”

Caroline began to ride him, rising up until only the head remained inside, then dropping down hard. Each descent forced another deep stretch, the wet sounds of her pussy taking him filling the quiet office. Her breasts bounced with every movement. Ethan leaned forward and captured one nipple in his mouth, sucking hard while she rode him faster.

The chair creaked under them. On the computer monitor the high-elf sorceress still stood frozen in the character select screen, silver hair and barely-there armor glowing under the RGB lights. Caroline looked at the screen and laughed breathlessly.

“My elf character would be so jealous right now… getting stretched by her human warrior.”

Ethan thrust up to meet her, the force of it making her cry out. “Then let’s make her jealous.”

He stood suddenly, lifting Caroline with him, still buried deep inside her. She wrapped her legs around his waist as he carried her the short distance to the desk and laid her back across it. Papers and a keyboard clattered to the floor. Ethan hooked her legs over his arms and began to fuck her in earnest — long, powerful strokes that stretched her open on every thrust.

Caroline’s head fell back. She could feel every ridge and vein as he dragged in and out of her, the thick girth forcing her pussy to mold around him. Creamy arousal coated his cock and dripped down onto the desk. She reached between them and rubbed her clit in tight circles, the dual sensation of being stretched and stimulated pushing her toward the edge fast.

“I’m going to come,” she gasped. “Don’t stop… stretch me… make me come on my nephew’s cock…”

Ethan pounded into her harder. Caroline’s orgasm crashed over her in a wave of tight, fluttering contractions. Her pussy clamped down hard around the thick intrusion, milking him as she cried out his name. Ethan followed seconds later, burying himself to the hilt and flooding her with the first thick creampie of the night. Hot pulses of cum painted her insides, so much that it immediately began to leak out around his cock and pool on the desk beneath her.

They stayed locked together, breathing hard, until Ethan finally softened enough to slip free. A thick rivulet of cream pie ran down Caroline’s ass and onto the wood. She reached down, scooped some onto her fingers, and brought it to her mouth, tasting the mix of her own juices and her nephew’s cum.

“Delicious,” she murmured. “And we’re just getting started.”

The next evening Caroline took Ethan bowling. She wore a short denim skirt that barely covered the curve of her ass and a tight black top with a deep neckline. No panties. Every time she bent over to pick up her ball, the skirt rode up just enough to flash the soft, freshly fucked lips of her pussy to anyone who happened to be looking from the right angle.

Ethan couldn’t keep his eyes off her. They bowled two games, laughing and competing the way they always had, but the tension between them was electric. After the second game Caroline leaned in close while the automated scoring system reset.

“I need to use the restroom,” she said against his ear. “Come with me.”

The bowling alley was busy but the hallway leading to the restrooms was dimly lit and momentarily empty. Caroline pulled Ethan into the women’s room, locked the door, and immediately dropped to her knees again. She freed his cock and sucked him hard and fast, getting him fully hard in under a minute. Then she stood, turned, and braced her hands on the sink, looking at him in the mirror.

“Fuck me. Right here. Stretch your aunt’s pussy in a public bathroom and give me another cream pie.”

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Ethan didn’t need to be told twice. He shoved her skirt up, lined up, and sank into her in one long thrust. Caroline’s reflection showed her mouth falling open, eyes half-lidded with pleasure as her nephew’s thick cock stretched her open again. The bathroom filled with the wet slap of skin on skin and Caroline’s muffled moans as she bit her lip to stay quiet.

Someone tried the door handle. Both of them froze for a second, Ethan buried deep inside her, then the person moved on. Caroline pushed back against him harder.

“Don’t stop. Fill me up before someone else comes.”

Ethan gripped her hips and fucked her with short, powerful strokes, the thick head battering her cervix. Caroline came first, her pussy clamping down and fluttering around him. Ethan followed with a low groan, pumping another heavy load of cum deep into her. When he pulled out, a thick stream of cream pie immediately ran down the inside of her thigh. Caroline reached back, scooped some up, and licked her fingers clean while watching him in the mirror.

They returned to their lane as if nothing had happened. Caroline’s thighs were sticky with her nephew’s cum for the rest of the night.

Two days later they played tennis at the club. Caroline wore her usual short white skirt and tight tank top. Every time she served or lunged for a ball, the skirt flipped up just enough to remind Ethan that she was still bare underneath. After an hour of play they were both sweaty and breathing hard. The clubhouse locker rooms were nearly empty in the late afternoon heat.

Caroline pulled him into the women’s locker room and locked the outer door. She stripped out of her tennis clothes slowly, letting him watch as she peeled the damp fabric from her body. Her skin was flushed and glistening. She sat on one of the wooden benches, spread her legs, and crooked a finger at him.

“Come stretch me again, baby. I’ve been thinking about your cock all day.”

Ethan dropped his shorts and stepped between her thighs. Caroline wrapped her legs around his waist as he pushed inside. The stretch was easier now after two days of regular fucking, but still intense — her pussy had molded itself around his shape, yet every deep thrust still forced a soft, wet sound from her lips. He fucked her on the bench until her back arched and she came with a sharp cry, then pulled out, turned her around, and bent her over the same bench to take her from behind.

This time he lasted longer. He fucked her through two more orgasms, the wet slap of his hips against her ass echoing off the tiled walls. When he finally came, he buried himself deep and held there, flooding her with another thick cream pie. Caroline reached back and held his hips against her, keeping him locked inside while his cock pulsed and emptied.

“I love how full you make me,” she whispered. “How stretched and messy.”

They cleaned up as best they could with paper towels, but Caroline still walked out of the club with her nephew’s cum slowly leaking into her tennis skirt.

The final three days before Ethan had to leave for college became a blur of sex and roleplay. Every evening they logged into the elf game together. Caroline would put on the silver wig and the revealing leaf-armor cosplay pieces she had ordered online — little more than strategically placed metal and sheer fabric that left her breasts and pussy almost completely exposed. Ethan would fuck her over the desk, on the floor in front of the monitor, or bent over the back of the gaming chair while the high-elf sorceress stood frozen on screen.

He stretched her open again and again. Caroline lost count of how many times he filled her. By the fourth day her pussy stayed slightly open and puffy, a constant reminder of how thoroughly her nephew had used her. Cream pies leaked out of her at random moments — while she made coffee, while she answered emails, while she bent over to pick up a dropped controller. She never cleaned them away completely. She liked the feeling of being marked.

On the last night they stayed in. Caroline cooked a simple dinner, then led Ethan to the bedroom. She wore only the silver elf wig and a pair of sheer thigh-high stockings. She pushed him onto the bed and rode him slowly, grinding her clit against his pubic bone while his thick cock stretched her open from below.

“I’m going to miss this,” she said, voice soft but steady. “Miss being stretched by my nephew every day. Miss waking up with your cum still inside me.”

Ethan reached up and cupped her breasts, thumbs brushing her nipples. “I’ll come home for long weekends. And parents’ weekend is only six weeks away.”

Caroline smiled down at him, rolling her hips in a slow circle that made both of them groan. “Then I’ll wear the elf ears again. And I’ll let you stretch me open in your dorm room if you want. Or in the car on the drive up. Or in the bathroom at the student union. Wherever you want your aunt’s pussy, it’s yours.”

She rode him harder, chasing another orgasm. When it hit, her walls clamped down tight around the thick intrusion, milking him. Ethan flipped them over without pulling out and fucked her through the aftershocks, driving deep until he came with a low growl, flooding her one final time for the night.

They stayed locked together for a long time afterward. Caroline’s fingers traced lazy patterns on his back while his softening cock stayed nestled inside her stretched, cum-filled pussy.

“I love you,” she whispered against his neck. “Not just as your aunt. I love the way you stretch me. The way you fill me. The way you look at me when you’re about to come.”

Ethan lifted his head and kissed her, slow and deep. “I love you too. And I’m going to miss the way you take every inch of me like you were made for it.”

They fell asleep still joined, the silver elf wig tangled in the sheets, the computer in the other room still glowing softly with the frozen image of a high-elf sorceress waiting for her warrior to return.

Morning came too soon. Caroline made breakfast while Ethan packed the last of his things into his car. She wore one of his old t-shirts and nothing underneath. When he came into the kitchen she pressed him against the counter and kissed him until both of them were breathing hard again.

“One more,” she said.

She turned around, bent over the kitchen island, and pushed the t-shirt up over her hips. Ethan stepped behind her, lined up, and sank into the familiar stretch of her pussy. It was slower this time, almost tender — long, deep strokes that made Caroline’s toes curl against the tile floor. He reached around and rubbed her clit in time with his thrusts until she came with a soft, broken moan. Then he buried himself deep and filled her one last time, the heat of his cream pie spreading inside her as she clenched around him.

When he finally pulled out, a thick stream of cum ran down her thigh. Caroline didn’t wipe it away. She simply pulled the t-shirt back down and walked him to the door.

“Text me when you get to campus,” she said. “And send me pictures of your new dorm. I want to know exactly where I’m going to let you stretch me open again in six weeks.”

Ethan kissed her one final time, deep and lingering, then climbed into his car. Caroline stood in the driveway in his t-shirt, bare legs, and the slow leak of her nephew’s cum between her thighs, watching until the car disappeared around the corner.

She went back inside, logged into the game, and selected her high-elf sorceress. The silver-haired character stood waiting in the character select screen exactly as she had left her. Caroline smiled, already planning the next cosplay set she would wear when Ethan came home.

The computer hummed quietly. Outside, the late summer air carried the first faint hint of fall. And between Caroline’s legs, the pleasant, stretched ache of her nephew’s cock lingered like a promise.

She opened a new message on her phone and typed:

Drive safe. And save some of that thick cock for your aunt. I already miss how you stretch me.

She hit send, then leaned back in the gaming chair, one hand drifting between her thighs to feel the warm mess he had left inside her.

Six weeks had never felt so long — or so full of possibility.