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Thanking Harry (Ch. 14 - Treating Astoria)
🕑 Added 2025-08-03 23:38:46 +0000 UTCDisclaimer: Hogwarts start at the age of 13, making all characters Harry encounter 18+
Harry Potter lay sprawled across Astoria Greengrass's bed, his massive cock standing at full attention like a proud monument to his arousal. The green silk sheets felt cool against his heated skin, a stark contrast to the fire burning through his veins as he watched the blonde beauty straddling his thighs.
"Fuck, I still can't believe how massive your cock is," Astoria breathed, her pussy already dripping wet as she slowly rocked her hips, sliding her slick folds along the underside of his shaft. "My poor sister's cunt must be absolutely wrecked after you're done pounding her."
Her movements were hypnotic, the wet lips of her pussy spreading around his girth as she slid back and forth. Each pass coated his cock with more of her arousal, leaving glistening trails that caught the candlelight. Her clit dragged against the prominent vein on the underside of his shaft, making her shudder with each movement.
Harry smirked, his hands coming to rest on her hips, feeling the smooth curve of her waist. She'd practically dragged him here after cornering him in the library, insisting she needed another "inspection" to ensure he was treating Daphne properly. The dormitory was empty; she'd made sure the other sixth-year Slytherin girls would be at dinner.
"Your sister's tight little pussy handles my fat cock just fine," Harry replied, his voice rough with desire. "Though she does tend to walk funny afterwards."
Astoria bit her lip, continuing to grind against him, coating his cock with her juices. The wet sounds of her pussy sliding along his length filled the room, obscene and arousing. "That's exactly what worries me," she said breathlessly. "Especially when I think about... about where else you must be shoving this monster. Her poor little arsehole..."
Fuck, Harry thought, his cock twitching at her words. The movement made his swollen head bump against her clit, drawing a gasp from the blonde. Ever since their last encounter, he'd been dreaming about Astoria's perfect arse, imagining how tight it would feel wrapped around his cock.
"Is that why you dragged me here, Astoria?" Harry asked, his hands sliding down to cup her arse cheeks, squeezing the firm flesh. "To make sure I'm not destroying your sister's holes?"
His fingers sank into the plump globes of her arse, spreading them slightly. He could feel the heat radiating from her core, could see the way her pussy lips parted around nothing, clenching with need.
She gasped as his fingers dug into her arse, her pussy clenching against nothing. "Obviously," she said, though her hips never stopped moving. "I need to... to feel it for myself. Every hole. To make sure you're not being too rough with her."
Harry couldn't help but chuckle at her transparent excuse. "Such a devoted sister," he said, one finger trailing down between her cheeks to brush against her puckered hole. "Sacrificing your virgin arse for Daphne's wellbeing."
The tiny pink rosebud clenched at his touch, and Astoria's breath hitched, her whole body shuddering. The reaction made her pussy grind harder against his cock, leaving a wet smear of arousal on his abs.
"S-someone has to," she stammered. "And it's definitely not because I've been fingering my arse every night thinking about your fat cock stretching it open..."
She trailed off, realising what she'd just admitted, her cheeks flushing pink.
"Is that so?" Harry teased, circling her hole with his finger. "You've been preparing your tight little arsehole for me? What a thoughtful slut you are."
"Fuck you," Astoria groaned, lifting her hips and positioning herself over his cock.
Harry watched as she gripped his shaft, her small hand barely able to wrap around his girth. She rubbed the swollen head through her folds, coating it with her juices, before positioning it at her entrance. Her pussy lips stretched obscenely as she began to lower herself, the pink flesh straining to accommodate his thickness.
"Just... just shut up and let me check if this thing still fits properly."
Without warning, she sank down, impaling herself on his thick length in one smooth motion. Harry watched in awe as her pussy swallowed inch after inch, her lips stretching wide around his girth. Her flat stomach tensed and fluttered as his massive cock filled her completely, her internal muscles clenching around him as she adjusted to the incredible fullness.
Both of them groaned at the sensation, Harry at the tight, wet heat engulfing his cock, and Astoria at the delicious stretch of being filled so completely.
"Fuck!" Astoria cried out, her hands bracing against his chest. "It's even thicker than I remembered! How does Daphne's cunt handle taking this monster every single day?"
Harry grinned up at her, enjoying the sight of her face contorted in pleasure. Her blonde hair fell in curtains around her face, her perky tits bouncing as she adjusted to his size. Her nipples were hard as diamonds, pink and perfect, begging to be sucked.
"Why don't you ride my cock and find out?" Harry suggested mockingly. "You know, for research purposes."
Astoria glared down at him, then began to move. She lifted herself slowly, and Harry watched as his cock emerged from her tight hole, glistening with her juices. She rose until just his swollen head remained inside, her pussy lips clinging to his crown, before slamming back down with a wet squelch.
"I fucking hate you," she panted, even as she established a rhythm, riding him with increasing enthusiasm.
The sight was incredible. Her perky tits bounced with each movement, her blonde hair flying. Her pussy lips gripped his shaft tightly, turning inside out slightly each time she lifted up, as if reluctant to let him go. The wet sounds of their coupling filled the room, the squelch of her pussy taking his cock, the slap of her arse against his thighs.
"Your soaking wet pussy says otherwise," Harry countered, his hands returning to her arse, spreading her cheeks as she bounced on his cock. "You're absolutely drenched. All this from being a concerned sister?"
She moaned, her pace quickening. "Shut up," she gasped. "Any girl would get this wet with a cock this fat stuffing her cunt."
Harry's finger returned to her arsehole, pressing gently against the tight ring of muscle. He could feel it flutter under his touch, could feel how it clenched each time his cock bottomed out in her pussy.
"What about here?" Harry asked, applying more pressure. "Is this tight little hole clenching for your sister's sake too?"
"Oh fuck," Astoria moaned, her pussy tightening around his cock. The movement made her whole body shudder, her rhythm faltering. "Don't... don't tease me like that."
"But I thought you needed to experience everything," Harry said innocently, his finger circling her hole. He pulled his finger away briefly, sliding it through her dripping folds to coat it with her arousal before returning to tease the tight ring of muscle. "How else will you know what poor Daphne goes through?"
Astoria's movements became frantic, her hips rolling desperately. She was grinding down on each thrust now, trying to take him as deep as she could, her clit rubbing against his pubic bone.
"You're such a fucking bastard," she panted. "Using my concern to... to..."
"To stuff your hungry little holes?" Harry prompted, slipping just the tip of his finger inside her arse.
The tight ring of muscle resisted at first, then suddenly gave way, sucking his finger in to the first knuckle. The heat was incredible, her arse gripping his finger like a vice even as her pussy continued to milk his cock.
She cried out at the intrusion, her whole body shaking. "Fuck! Harry, you bastard!"
"That's not very nice," he said, working his finger deeper while thrusting up to meet her movements. He could feel his cock through the thin wall separating her holes, could feel his finger pressing against his shaft. "Here I am, helping you with your sisterly duties..."
The dual sensation was clearly overwhelming her. Her movements became erratic, her pussy flooding with fresh wetness. She was close, he could tell, her thighs were trembling, her breath coming in short gasps, her pussy clenching rhythmically around his cock.
"Oh Merlin, oh Merlin," Astoria chanted, her pussy spasming around his cock. "I'm going to... fuck, I'm going to cum!"
"Already?" Harry taunted, though he increased his pace, making her bounce harder. His free hand gripped her hip, forcing her down onto his cock with each thrust, making sure she took every inch. "We've barely started your inspection."
"Shut up and make me cum!" Astoria screamed, her nails digging into his chest. "Fuck me harder, you bastard!"
Harry gripped her hips with one hand while his other continued teasing her arse, pounding up into her as she rode him desperately. The wet sounds of their fucking filled the room, along with Astoria's increasingly loud moans. Her pussy was making obscene squelching noises, her juices running down his balls and pooling on the sheets beneath them.
"That's it," Harry growled. "Cum on my fat cock like the dirty little slut you are. Show me how concerned you are about your sister."
"Fuck you!" Astoria cried, but her body betrayed her.
Her orgasm hit like a tidal wave. Her back arched beautifully, pushing her tits out as her head fell back. Her pussy clamped down on his cock like a vice, rippling along his length in waves. Harry could feel her juices gushing out around his cock, could see her stomach muscles contracting as pleasure wracked her body.
"Oh fuck, oh fuck, HARRY!"
Harry kept thrusting through her orgasm, prolonging it until she collapsed against his chest, trembling. He could feel her heart racing, could feel the way her pussy continued to flutter around his still-hard cock.
"Good girl," Harry murmured, stroking her back as she panted against him. "But we're not done with your inspection yet."
Astoria lifted her head, her blue eyes glazed with post-orgasmic bliss. "What do you mean?"
Harry pulled his finger from her arse, gripping her hips. "On your hands and knees," he ordered. "Time to check if that tight little arsehole can handle what your sister takes."
Astoria's eyes widened, but she scrambled to comply. His cock slipped out of her pussy with an obscenely wet sound, followed by a gush of her juices. She positioned herself on all fours, her back arched beautifully, presenting her arse to him.
The view was spectacular. Her pussy was swollen and red from the pounding, her lips gaping slightly, still twitching from her orgasm. Her juices had run down her thighs, making them glisten in the candlelight. And above her well-fucked pussy, her perfect little arsehole winked at him, pink and tight and virgin.
"Look at you," Harry said, admiring the view. "So eager to make sure I'm not too rough with Daphne."
"Just... just do it," Astoria said, looking back at him over her shoulder. Her face was flushed, her hair mussed, looking thoroughly debauched. "But be gentle at first. I mean, Daphne must be used to your monster cock in her arse by now, but I've never..."
"I'll take care of you," Harry promised. He rubbed his swollen crown through her pussy first, gathering her juices, before positioning it against her arsehole. The size difference was almost comical, his massive purple head pressed against her tiny pink entrance, which clenched nervously at the contact.
He pushed forward slowly, watching as her arsehole began to stretch. The tight ring of muscle resisted at first, then gradually began to give way. The sight of her hole stretching around his crown was mesmerising, the pink flesh turning white from the strain.
Astoria gasped, her hands fisting in the sheets. "Holy fucking shit," she whimpered. "It's so fucking big! How does this even fit in anyone's arse?"
The head finally popped past her sphincter with an audible sound, and both of them groaned. Her arse gripped him like a vice, the heat incredible. Harry had to fight not to slam forward, to bury himself in one thrust.
"Just relax," Harry soothed, though his own control was hanging by a thread. "You're doing so well. Such a good sister, taking my fat cock in your virgin arse."
She laughed breathlessly. "We both know this has nothing to do with—oh FUCK!"
Harry had pushed in another inch, and Astoria's words dissolved into moans. He watched as her arsehole swallowed more of his cock, the tight ring stretching obscenely around his girth. He continued his slow advance, giving her time to adjust. Her back passage gripped him like a hot, velvet glove, rippling around his length.
By the time he was halfway in, she was panting like she'd just played a gruelling Quidditch match. Her whole body trembled, sweat beading on her skin. Her arsehole fluttered around his cock, alternately clenching and relaxing as she tried to accommodate his size.
"Too much?" Harry asked, rubbing circles on her lower back.
"No," Astoria gasped. "No, keep going. I need... I need all of it. Need to know exactly what it feels like."
Harry obliged, pushing deeper inch by torturous inch. He watched his cock disappear into her arse, watched how her hole stretched and clung to his shaft. Finally, his hips met her arse cheeks with a soft slap. He was fully buried inside her, his heavy balls resting against her dripping pussy.
"There we go," he groaned. "Every fucking inch of my cock in your perfect arse. How does it feel?"
Astoria was trembling, her breath coming in short gasps. "Full," she managed. "So fucking full. I can't believe anyone can take this regularly."
Harry began to move, pulling out slowly. Her arse clung to his cock, turning inside out slightly as he withdrew, as if trying to keep him inside. When just the head remained, he pushed back in, slightly faster this time. The sight of his thick cock disappearing into her tight hole over and over was hypnotic.
"Oh fuck," she whimpered. "It's starting to feel... starting to feel really fucking good."
And it was. Harry could see how her pussy clenched with each thrust, could see fresh juices dripping from her swollen lips. Her arsehole was relaxing, allowing him to move more freely, though it still gripped him perfectly.
"Just wait," Harry promised, picking up his pace slightly. The wet sounds of his slick cock sliding in and out of her arse joined the symphony of their moans. "Soon you'll be begging for it harder."
"Never," Astoria gasped, even as her hips betrayed her, pushing back slightly to meet his thrusts.
Harry noticed the contradiction immediately, his hands sliding down to grip her arse cheeks, spreading them wider so he could watch his cock sliding in and out of her stretched hole. "Never?" he teased, giving a particularly deep thrust that made her whole body shudder. "Your arse seems to disagree. Look how eagerly it's swallowing my cock."
"That's not... I'm not..." Astoria tried to protest, but another thrust cut her off with a moan. Her resistance was crumbling with each stroke, her body gradually taking over from her mind.
"You're not what?" Harry asked, picking up his pace slightly. The wet sounds of his cock plunging into her arse grew louder. "Not pushing back against me? Not moaning like a whore? Not dripping pussy juice all over my balls?"
"Oh fuck," Astoria whimpered, her protests dying as pleasure overtook her. She was actively fucking herself back onto his cock now, her arse bouncing against his hips with increasing enthusiasm. "This is... why does it feel so..."
"So good?" Harry finished for her, watching her arsecheeks ripple with each impact. "Because you're a natural anal slut, Astoria. Just admit it. Tell me what you really want."
"I... I..." Astoria's resolve finally shattered completely. "Harder!" she groaned, abandoning all pretense. "Fuck my virgin arse harder, Harry! I've been dreaming about your massive cock stretching me open! Want you to ruin me for anyone else!"
Her hips pushed back desperately. "Been fingering myself every night imagining this! Please, Harry, pound my tight hole until I'm gaping! Make me scream!"
Harry grinned triumphantly, gripping her hips tighter. His fingers dug into her flesh, sure to leave bruises. "Now that's more honest. Such a desperate little whore. As you wish."
He began to pound into her properly, his hips slapping against her arse with sharp, wet smacks that filled the dormitory. The obscene sounds of flesh meeting flesh mixed with the squelch of his cock plunging into her stretched hole. Her arsehole gripped him like a vice, the tight ring of muscle clinging desperately to his shaft with each withdrawal, as if trying to suck him back in.
"Yes! Oh fuck, yes!" she cried, her arms giving out so her face pressed into the mattress. This new angle let him go even deeper, his cock reaching places inside her she didn't know existed. "Your cock is splitting me in half! Fuck, I love it! Love having my arse stuffed full!"
"Because you're made for this," Harry grunted, drilling into her stretched hole. He watched his cock piston in and out, her rim now gaping beautifully when he pulled back. "Made to take cock up this perfect arse."
"Merlin, yes!" Astoria screamed, her hand moving between her legs to rub her clit. "Use me! Use my arse like your personal fucktoy! Want to feel your cum deep inside me!"
Harry could see her fingers working frantically at her pussy, could hear the wet sounds as she finger-fucked herself while he destroyed her arse. The dual stimulation was clearly driving her wild, her whole body shook, her arse clenching rhythmically around his cock.
Harry pounded into her with abandon, his balls slapping against her fingers with each thrust. He could feel his orgasm building, his balls drawing up tight. The sight of his cock disappearing into her stretched arsehole, the way she eagerly pushed back for more, the filthy words pouring from her lips, it was all too much.
"Gonna cum again," she panted, her fingers working frantically at her dripping cunt. "Gonna cum with your massive cock destroying my arse! Oh fuck, Harry, I'm—"
She screamed as her second orgasm hit, her whole body convulsing. Her arse clenched like a vice around Harry's cock, the tight ring of muscle rippling along his length in powerful waves. The sensation was incredible, like her arse was desperately trying to milk the cum from his balls.
With a roar, he buried himself to the hilt one final time. His cock swelled even larger before erupting, painting her insides with rope after rope of hot cum. He ground against her arse, making sure every drop was deposited deep inside her.
"Take it all!" he groaned. "Every fucking drop in your perfect arse!"
They stayed like that for a moment, both panting heavily. Harry's cock continued to twitch inside her, pumping out the last drops of his release. He could feel his cum sloshing around his cock, could feel how her arse struggled to contain it all.
It was only when Harry heard giggling that he realised they weren't alone anymore.
Standing in the doorway were the Carrow twins, Flora and Hestia, watching with amused expressions.
"Well, well," Flora said, her dark eyes glinting. "Looks like little Astoria finally got what she's been moaning about in her sleep."
"Harry's cock in her arse," Hestia added helpfully. "She's been quite vocal about wanting it."
Astoria's face burned with embarrassment, but she was too fucked-out to move, Harry's softening cock still buried in her arse.
"Ladies," Harry greeted casually. "Enjoying the show?"
"Very much," Flora purred. "Though we're disappointed we missed the beginning."
"Maybe next time," Harry said with a wink, slowly pulling out of Astoria.
His cock emerged with a wet pop, followed immediately by a river of cum. Her arsehole gaped obscenely, unable to close after the pounding it had taken. White cum leaked steadily from her abused hole, running down to mix with her pussy juices.
As Harry got dressed, Astoria finally found her voice. "You're incredible," she said dreamily, still face-down on the bed, cum leaking from her gaping arse. "Daphne's so lucky to get fucked like that all the time. Both holes whenever she wants..."
Harry paused in pulling on his trousers, a wicked grin crossing his face. "Actually," he said casually, "I've never fucked your sister's arse."
There was a moment of silence as his words sank in. Then Astoria's head shot up, her eyes wide with realisation.
"What?!" she gasped. "But... but you never said... I just assumed..."
Harry laughed, dodging the pillow she weakly threw at him. "Exactly! You assumed what you wanted to assume. I never claimed otherwise."
"You sneaky bastard!" Astoria said, though she was clearly fighting a smile. "You let me think..."
"I let you think whatever you wanted," Harry corrected, now fully dressed. "And you seemed to enjoy yourself regardless."
Astoria rolled onto her back, cum still leaking from her arse onto the sheets, a satisfied smirk spreading across her face. "So I've had something Daphne hasn't?"
"That's right," Harry confirmed. "You're the first Greengrass to take my cock up your arse."
Despite her exhaustion, Astoria's smirk widened into a genuine grin of triumph. "Oh, she's going to be so jealous when she finds out," she said with wicked delight. "Perfect Daphne, shown up by her little sister..."
"Assuming you tell her," Harry pointed out.
"Oh, I'll tell her," Astoria said confidently. "Eventually. When the timing's just right to really piss her off."
Harry laughed, heading for the door. "You Greengrass sisters really are something else."
"Harry?" Astoria called as he reached the door. "Same time next week? You know... to make sure you're still treating her properly?"
He grinned back at her. "For such a devoted sister? How could I refuse?"
He left to the sound of the Carrow twins interrogating Astoria about every detail, already looking forward to his next "inspection."
Disclaimer: Hogwarts start at the age of 13, making all characters Harry encounter 18+
