Mr, Steward, the Sleepover and a precocious Lilly

A sleepover with Mr. Stewart takes a wild turn. A curious, explorative teen on the spectrum gets his help discovering cock, oral, and the loss of her virginity!

Disclaimer: Welcome to a world where forbidden desire is the only rule. This story is part of a collection where all lines are meant to be crossed. If you keep reading, you're already on the other side.
Reader discretion is advised.
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The following is a fantasy that I crafted from a small moment in the life of a reader, Max. Please enjoy.

The hum of my computer was the only sound in the quiet house. Kylie was asleep, and I was lost in a late-night project when Lilly emerged from the bedroom. She was a vision of innocent sleepwear, a thin, pale blue cotton nightie that hung loosely on her young frame. The fabric was so fine it was almost translucent, hinting at the soft shadows of her body beneath. The delicate straps were tied in simple bows over her shoulders, and as she moved, the hem swished just mid-thigh, drawing my eyes to the smooth, coltish length of her legs. It was the kind of outfit that was completely unremarkable on a young girl, yet in the dim light of the dining room, it felt charged with an unintentional intimacy.
"Mr. Stewart, thank you for being so kind, and welcoming," she said, her voice a soft whisper. "You're so honest, and I see that with Kylie." I’d assumed she was just heading to the bathroom, but she stopped, her eyes fixed on me. "You always give straight answers to things."
I swiveled my chair to face her fully. "Grab a seat." She sat at the dining table, looking small and serious. "So shoot, what's on your mind?"
Her cheeks flushed a pretty pink. "I want to talk about penises…" The word hung in the air, clinical yet shocking coming from her lips. Her expression was so earnest, there was no giggling, no girlish embarrassment. Just pure, unadulterated curiosity.
I fought to keep my composure, my mind racing. "So I know that they go inside a girl… I’ve seen pictures," she continued, her brow crinkled in thought. "But they grow… But how, if they are long but they are floppy… like a big water balloon? How does that get inside?"
In that moment, I would have preferred to be literally fucking anywhere else. I explained the mechanics of arousal in the most clinical terms I could muster, my voice sounding detached even to my own ears. She listened intently, asking surprisingly astute questions about growth and function.
"Thanks, Mr. Stewart," she finally said, a relieved smile on her face. She went back to the room, and I took a deep breath of relief. I went straight for the Scotch, pouring a very large glass. The girl was fucking adorable, and discussing cocks with her had ignited a fire in me I was desperately trying to extinguish.
Forty minutes and two fingers of Scotch later, my inhibitions were pleasantly blurred. I rose from my chair to stretch, and in doing so, presented her with an unhindered view of the straining bulge in my jeans.
She returned, as if summoned by the thought. "Mr. Stewart… can I ask you one more question?"
"What is it, sweetheart?" I said, my voice lower than I intended.
Her gaze dropped directly to my groin. "That bulge in your pants… is that your penis when it's hard? I saw it earlier… but was too scared to ask."
"It is," I heard myself say. The words were out before I could stop them. Her face lit up, and I knew I was crossing a line I could never uncross.
"The data is incomplete," she said, her voice a strange mix of wonder and clinical analysis. "The pictures I've seen are static. I need to observe the erect state up close to understand the mechanics. May I touch it?"
This was wrong. Not the curiosity—I knew all about that. Kat and I had been the same age. This was different. She should be exploring this with a boy her own age, someone on her level. "I'm an adult, you know I can't," I protested, but the words were weak, hollow. She closed the distance between us. As her small hand came to rest directly over my denim-clad cock, I moved on instinct. My hand shot out and caught her wrist. My grip was firm. "Lilly, no. Don't."
She didn't pull away forcefully. She just looked at my hand on her wrist, then back at my face, her expression unreadable. Gently but firmly, she pulled her hand from my grasp. My resolve broke. But maybe I was thinking about it wrong. Where was she going to find a boy her age she could trust like this? One who wouldn't just use her and laugh? She came to me because she trusted me. Because she respected me. Wasn't that better? Safer? I froze, swallowing a moan as her hand returned, this time unopposed, and she began to rub me. The heat of her touch was searing. I closed my eyes, a silent surrender to the pleasure. Then I felt the metallic rasp of my zipper and the cool air as she reached into my boxers and freed me. My eyes shot open.
I looked down at this beautiful girl, her hand wrapped around my shaft, her touch exploratory and innocent. "You're right… this isn't a water balloon at all," she said, her voice full of wonder as she moved her hand.
"You need to stop…" I managed, but the words had no force.
"I saw another picture," she continued, her voice a distant murmur. "My brother had these magazines… And I saw a girl do this…"
I wasn't really listening, and then I felt it. A wet, warm heat as she took the head of my cock into her mouth, her tongue swirling around the tip. "Aaaahhhh, Lilly," I groaned, her name a reflexive mistake.
She didn't pull back. She just looked up at me with those incredible eyes and giggled around my flesh. On pure instinct, I pushed a little deeper. She took it, her enthusiasm growing.
After a moment, she pulled off with a soft pop. "That looks like it feels great… does it?"
"Yyyes… that does feel good." I was completely undone. "We should stop here," I said, a final, feeble attempt at control.
"But I want to taste the cream that girl in the photo got," she said, her expression so earnest and excited it shattered my resolve.
"You shouldn't… that's for when you get older…" I mumbled, looking away. It was the opening she needed. She took me back into her mouth, her head beginning to bob. Her movements were a bit mechanical at first, like she was trying to replicate a specific rhythm she'd seen. "The videos indicate a rhythmic motion is required. Is this the correct speed and pressure?" she mumbled around my flesh. I could only groan in response. She learned fast. I tangled my hands in her soft hair, guiding her gently as she tried to take more and more of me.
The pressure built, an undeniable tide. "Lilly… I'm about to cum… You might want to take your mouth away!" She only giggled, the vibration sending me over the edge. I shot load after load into her warm, willing mouth, and she swallowed every drop, her throat working.
She meticulously cleaned my softening cock with her tongue. "That was great – your cream tastes so good!" she said, as if she'd just tried a new flavor of ice cream.
"You can't tell anyone we did this!" I said, the gravity of the situation crashing down on me—not of the act, but of the risk.
"I know," she said, her smile unwavering. "I never tell anyone when we talk – our time alone is special to me." She grinned, gave my cock one last gentle pat, and padded back to the bedroom, leaving me alone with the lingering taste of my Scotch and the rationalization that I had done her a service.

A week passed before the next sleepover. The memory of that night was a constant, gnawing thing. I tried to tell myself it was a mistake, but not a moral one. A mistake of risk. But when Carly told me Kylie had invited Lilly over again, a sick part of me felt a spark of anticipation.
The house felt different that night. It was heavier, thick with a silence that was no longer peaceful but expectant. I was nursing a glass of water, refusing the call of the Scotch bottle, when she appeared. She wore a purple nightie, but now I couldn't see it as just cotton. I saw it as a barrier.
"Mr. Stewart?" she whispered, her voice hesitant.
"Lilly. You should be asleep." My voice was firm, a brittle wall I was trying to build.
"I know, but… I have another question." She took a step closer. "About what I did last week. With my mouth."
My throat went dry. "We can't talk about that. It was a mistake. It can't happen again." It was too risky.
"But I liked it," she said, her eyes wide and genuine. "And I think you did too. But… what's it like for a girl? To have it done to her?"
I stood up, trying to use my height to create distance. "Lilly, no. This is over the line. We're not discussing this." I turned away, intending to walk to the kitchen, to put a physical end to the conversation.
"Is it because you don't want to?" she asked, her voice small. "Or because you think you shouldn't?"
"Lilly, stop. This isn't just about you and me," I pleaded, turning back to her. "I have a wife. A family. This would destroy everything. Do you understand what 'destroyed' means?" I was trying to use logic, to appeal to the part of her that must understand consequences.
She just tilted her head, processing the words as if they were a new equation. I didn't answer. I heard the soft rustle of fabric. When I turned back, my resolve crumbled to dust. She had pulled the nightie over her head and dropped it to the floor. She was completely, breathtakingly naked. Her young body was a constellation of soft curves and new beginnings, her small breasts topped with pale, pink nipples. And her flat stomach led down to a small, dark triangle of hair, trimmed neatly with a beard trimmer or something similar. Her lips pouted out a little below it. And there were no tan lines, no sign of modesty. Just smooth, unblemished skin.
"Lilly! What are you doing? Put that back on!" I hissed, my eyes betraying me by drinking her in.
"Why?" she asked, taking another step toward me.
"You're not wearing a bra. You're not wearing panties."
“I thought men like to see naked girls?” She ran her hand over her body, in a way she shouldn’t. "Do you not like what you see?”
"Ye.., No I shouldn’t," I choked out, but she was right in a way that made my head spin. She closed the final distance between us, her small, cool hand finding mine.
"Please, Mr. Stewart," she whispered, her gaze dropping to the floor between her legs. "I want to know what it feels like. I want you to… go down on me."
I fought a war with myself and lost. My thoughts went to Kat, my sister, and how our sexual journey started at around this girl’s age. Who was I to deny her the same discovery? Especially when she trusted no one else. Every rational thought was drowned out by the image of her, the scent of her, the sheer audacity of her request. I sank to my knees before her, a supplicant at the altar of his own destruction. I guided her to the edge of the dining table, her legs parting instinctively. And then I surrendered.
I tasted her, my tongue exploring the soft, wet heat of her, my hands gripping her hips as she trembled and gasped. Her fingers tangled in my hair, pulling me closer, her innocent curiosity giving way to a powerful, primal need. When she finally shuddered against my mouth, a soft cry escaping her lips, I felt a victory so profound it was a defeat.
She was so happy, looking so cute from her first orgasm.
“I keep thinking about what happened… I want to do it again,” is all she said, and I gave up the false reserve. Every rational thought was drowned out by the image of her, the memory of her mouth, the sheer audacity of her request. I stood up, my legs unsteady.
"This way," I said, my voice rough. I led her not to the dining table, but to the soft, deep sofa in the living room, a place that felt both more intimate and more dangerous.
As she knelt between my legs, her small hands already working at my zipper, my phone buzzed loudly on the coffee table. The screen lit up with a picture of Carly, my wife. The text read: "Hey honey. Hope work is going well. Thinking of you. Love you!"
I froze, my heart hammering against my ribs. I looked from the phone, a beacon of my real life, to the top of Lilly's head as she freed my cock, which was already hard and aching for her. I had to actively choose to ignore it. I did.
She leaned in without hesitation, taking me into my warm, wet mouth. Her technique was still that of an innocent—eager, curious, and focused on the head, her tongue swirling in ways that made my toes curl. She was a natural.
After a few moments, she pulled off, a string of saliva connecting her lips to my shaft.
"I saw something on a video," she whispered, looking up at me. "I want to try it." Before I could ask what, she took a deep breath and plunged her mouth down, taking my cock much deeper than before.
I groaned, my hands flying to her hair as I felt the tight, hot confines of her throat. She gagged slightly, her eyes watering, but she didn't pull back. For a girl her age, she was shockingly successful. She found a rhythm, bobbing her head, taking me deeper with each pass until her nose was pressed against my belly. The sight of her, so young and innocent, struggling so valiantly to swallow my entire length, was the most erotic thing I had ever seen.
I couldn't hold back.
"Lilly… I'm going to…!" I warned, but she only moaned around my cock and took me even deeper. I exploded, my hips bucking as I filled her throat and mouth with pulse after pulse of my hot cum. She stayed with me, swallowing everything I had to give.
As she was meticulously cleaning my softening cock with her tongue, we both heard a soft creak from the hallway. Panic, pure and electric, shot through me. I shoved myself back into my pants, zipping up with fumbling fingers. Lilly instantly stood, wiping her mouth with the back of her hand.
Kylie walked into the kitchen, her eyes half-closed, completely oblivious. She opened the fridge, the light illuminating her sleepy face, and got a drink of water. She turned and walked back towards her bedroom, not even glancing into the living room. As she passed, Lilly was now standing there, fully composed, and gave her a small, casual wave. Kylie nodded sleepily and disappeared into the dark.
The danger was real. And I was a fool.
When she finally sat back on the couch, Lilly was breathing heavily, a proud, triumphant smile on her face. She licked her lips, making sure she hadn't missed a drop. "That was even better than last time," she said, her voice husky. She stood up, gave me a happy, satisfied wave, pulled her nightie back on, and gave me a sleepy, satisfied smile. Then disappeared into the dark and padded back to the bedroom, leaving me spent and shattered on the sofa.
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Another two weeks crawled by. The near-miss with Kylie haunted me. I was a wreck, consumed by the risk and a sick, lingering desire. I told Carly we needed a break from hosting sleepovers, but Kylie pleaded, and against my better judgment, I caved. Tonight was the night.
I was a wreck. Carly, my wife, and I had a fight earlier. I was working from home, but with the sleepovers I couldn’t exactly ignore the girls. And I loved spending time with them. I needed Carly to spend some time with them so I could get a project out of the way. She took an extra shift at work, because the kids had one another, and I was home.
So, I was pissed. I would get next to nothing done – other than time with the girls. I stayed off the Scotch for the night. A couple beers only, so I’d be present for the kids. After they had dinner, played and worn themselves out, and went off to bed, I prayed she wouldn’t come back out asking anymore ‘questions’ – because they weren't. But like clockwork she appeared. I had just logged off my laptop, because of the time.
Tonight, she wore a pair of shorts and a silk pajama top that was barely a fit. The fabric was incredibly form-fitting, curving around her chest and showing off the small breasts she had.
"Mr. Stewart?" she said, her voice cutting through my memories.
I looked at her, and all I felt was a gnawing, desperate hunger. I wanted to explore every inch of her, to memorize the map of her skin. I lied to her and myself, even my conversation with my sister ran through my head, and pretended to fight back. "No, Lilly. Go back to bed. Please."
She ignored me, as I knew she would. She walked over, her movements sure and confident. "I've been thinking," she said, her hand resting on my shoulder. "About how it gets inside. A girl, I mean."
I closed my eyes. "Don't."
"I saw a video," she continued, her voice a hypnotic whisper. "And I felt your… penis. It's so big. I don't see how it could possibly fit. Does it hurt? Or do I have to wait until I'm older and… bigger?"
My eyes opened. She wasn't asking a hypothetical question. She was asking for a demonstration. My last shred of resistance evaporated, incinerated by alcohol and lust. I stood up, my cock already straining against my jeans. I led her to the plush rug in front of the empty fireplace, laying her down gently.
"I'll show you," I said, my voice rough. I undid my jeans, letting my hard cock spring free. Her eyes widened, a mix of fear and fascination. I knelt between her legs, pulling off her shorts. She wasn't wearing panties. She never was. Then her top freed her newly developed breasts.
I guided the head of my cock to her slick, tight entrance. "It might be a little uncomfortable at first," I warned, my self-control a distant memory. "Just relax." I pushed forward slowly, watching her face. Her brow furrowed, a gasp catching in her throat as I stretched her open, inch by incredible inch. She was so tight, so impossibly wet. Finally, I hit the barrier. I should stop.
“Why did you stop… Please keep going!” the tender face of this beautiful teen lay beneath me, not even a third my size. A school girl. “The first time hurts – this will hurt!” I said, pleading with her to say ‘no’. But then I saw the determination.
“No, take me!” she said, defiant.
I pushed through, with a muffled scream from her as I was buried to the hilt inside her. I had put her shorts in her mouth.
I paused to let her adjust, to let the pain drop a little.
"See!" I groaned, driven as always. "It fits."
A slow, wondrous smile spread across her face.
"You feel amazing," she whispered. "It feels… full. I can feel your cock stretch my whole vagina."
And then I fucked her. There was no other word for it. I drove into her again and again, a desperate, selfish act. Her small body rose to meet me, her legs tried to wrap around my waist, her nails digging into my back. She wasn't a passive student; she was an active participant, her soft moans and whimpers urging me on. I thrust over and over again, she moaned into the shorts in her mouth. I tried to suckle her hardened nipples, but her smaller size made it hard. When I was about to cum, I attempted to pull out, but she tried to stop me.
“Please don’t, I want to feel you fill me!”
“I can’t, you’ll get pregnant – and then we’ll both be fucked!” I was fighting with her grip, and my own will – I wanted to cum inside her sweet virgin pussy.
"No! The final stage," she said, her voice unnervingly calm and detached. "You have to finish inside. I need to feel it. It's part of the process."
And that was it. Her cold, clinical reasoning shattered my last bit of control. I gave in, a violent, shuddering release deep inside her, a final, irreversible claim.
I lay down over her, feeling her breasts against my chest, and kissed her, pushing my tongue into her mouth. She giggled but accepted it. I loved the feel of holding her small body in my arms. Naked. I pulled out when I got soft, and I rolled onto my side beside her for a moment, breathing heavily in the dim light. She looked at me, her expression not one of regret, but of discovery. She sat up, pulled her shorts then her top on, and without a word, stood up and went back to the room, leaving me alone with my orgasmic aftermath and the cold, terrifying dread of consequences.

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