Cover of Twisted Lessons in Submission

Twisted Lessons in Submission

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Sukuna can lie he is a masoquist and he wants to be dominated by a woman, but he has none to be with, so yeah... So he has to teach his little sister Megumi how to be a dom mommy... Which goes really wrong because his sister is really submissive even while being the dominant one, but is okay Sukuna finds it hotter(all characters are adults) Megumi is 18. Megumi is 151cm and Sukuna is 197cm. Megumi would step in Sukuna's cock with her socks on and ask Kuna if she is doing a good job, Sukuna is just having the best time ever!

Chapter 4: The Collar and the Leash

The collar was colder than I expected.

I knelt on the floor, the rough texture of the rug biting into my knees. The room was thick with a silence that felt like held breath. She stood before me, a small, serious silhouette against the dim lamp, holding the black leather in her hands like it was a sacred object. She’d bought it with her own money, from some online store she’d whispered the name of, her face burning. It was simple, wide, with a heavy O-ring at the front. The leash was coiled beside her thigh.

“Look up,” she said. Her voice didn’t waver. It was quiet, but it held a new note. A thread of steel.

I obeyed, tilting my head back. From this angle, she seemed taller. The soft cotton of her pale yellow dress brushed my forehead. Her face was in shadow, her expression unreadable.

She stepped closer. I could smell her—the clean, floral detergent on her dress, the nervous sweat at her temples, and underneath, the warm, familiar scent of her skin. Her fingers, cool and slight, brushed against the column of my throat as she lifted the collar. The leather was smooth, unforgiving. She brought it around my neck.

The sound of the buckle was the loudest thing in the world. A sharp, definitive click that seemed to lock more than just the strap in place. It settled heavy and firm against my Adam’s apple, a constant, gentle pressure. The weight of it was a shock. It was an anchor. A claim.

A shiver, delicious and deep, rolled down my spine. My cock, already half-hard from the anticipation, thickened against my thigh.

She didn’t move away. Her fingers lingered on the buckle, tracing it. Then she picked up the leash. The clip jingled, a soft, metallic promise. She fastened it to the O-ring. Another click. This one felt final.

She took hold of the leather strap, about halfway down. Her small hand tightened. The veins stood out on the back of it.

“Stand up,” she whispered.

I rose slowly, my muscles protesting. I towered over her again, the physical reality reasserting itself. But the lead in her hand, the collar on my neck, made a lie of it. I was the giant on a string.

She looked up at me, her eyes huge in the low light. The confidence I’d heard in her voice was harder to see on her face. There was fear there, and wonder, and a dawning, terrifying ownership. She gave the leash a tentative pull.

It was barely a tug. A suggestion. But it shot through me like a jolt of pure voltage. I took a step forward, following the pressure.

A tiny, breathless smile touched her lips. Gone as soon as it appeared. “Good,” she murmured. She turned and began to walk toward the bed, leading me.

The walk was the most profound submission of my life. Each step was dictated by the slight tension in the leash. She didn’t yank. She guided. The leather creaked softly. My world narrowed to the feel of it, to the sight of her narrow back, the swing of her dark hair, the way her shoulders were set with determination. The room, my room, looked different from this angle. Smaller. Hers.

At the edge of the bed, she stopped. She turned to face me, the leash now taut between us, a black line connecting her fist to my throat.

“On the bed. On your back.”

I climbed onto the mattress, the familiar expanse of it feeling like new territory. I lay back, my head on the pillows. The collar pressed into the back of my neck. I stared at the ceiling, listening to the rustle of her dress as she moved.

Then her weight settled on me, not on my hips, but on my chest. She straddled me, her knees pressing into my ribs. She was so light it was like being pinned by a dream. The soft cotton of her dress pooled around her thighs, brushing my skin. She gathered the leash in both hands, pulling it shorter, tighter.

“Look at me.”

I lifted my head, the muscles in my neck straining against the collar’s constraint. Her face was above mine now, haloed by the lamplight. Her cheeks were flushed. Her lips were parted, her breath coming in short, quiet bursts. She was holding the leash like a lifeline, her knuckles bone-white.

“You’re mine tonight,” she said. The words were a tremulous whisper, but in the utter silence, they were a decree.

I couldn’t speak. A groan ripped from my throat, raw and unfiltered. My hands came up, almost on instinct, and gripped her hips through the dress. The feel of her, so small and real under my palms, nearly undid me.

She leaned down, the leash pulling my face up to meet her descent. Her lips brushed the shell of my ear. Her whisper was hot, damp, and shattering. “Now fuck me, Kuna.”

A pause. A beat where I heard her swallow her fear.

“But don’t you dare come until I say so.”

She released the leash from one hand and shoved her dress up around her waist. She wasn’t wearing anything underneath. The sight of her, bared and pale and delicate, hit me like a physical blow. She was already slick, a glistening proof of her own tangled arousal. With a clumsy, desperate urgency, she reached between us, her fingers fumbling against me, guiding me to her.

The first push of the head against her entrance was an agony of slow-motion. She was tight, impossibly so, a hot, clutching ring of resistance. She bit her lip, her eyes squeezing shut, and sank down.

It was a slow, inexorable swallow. My vision spotted. Her heat was absolute, a wet, velvet fist that milked me inch by torturous inch. I could feel every tiny flutter, every pulse of her internal muscles as she tried to accommodate me. She took me deeper than she ever had before, driven by a need that overrode her shyness, until her ass settled firmly against my thighs.

She was full. I was buried to the hilt.

A high, thin whine escaped her. Her eyes flew open, wide with overwhelmed sensation. “Oh,” she breathed. “Oh, god. Kuna.”

She began to move. It was an unsteady, rocking grind at first. She used the leash for leverage, pulling herself up and then sinking back down. The rhythm was off, syncopated, but each drop of her weight sent shocks of pure, blinding pleasure up my spine. The collar bit into my throat with every descent, a sharp counterpoint to the deep, sliding fullness.

“Is this…” she panted, “is this okay? Am I doing it?”

“Yes,” I choked out. My hands gripped her hips harder, trying to guide, to help, but she shook her head fiercely.

“No. Let me.” She pulled the leash sharply, a sudden show of force that made me gasp. “I’m doing it.”

And she was. Her movements grew more confident, a little smoother. She found a angle that made her cry out, a sharp, sweet sound. She chased it, rising and falling with more purpose. The wet, rhythmic slap of our skin filled the room, a lewd metronome. Her dress was rucked up around her middle, and in the dim light, I could see the faint, terrifying outline of myself moving deep inside her, a bulge distorting the flat plane of her lower belly with every thrust.

The sight was obscene. It was conquest and surrender all at once. My cock, so stupidly big, was claiming a space it had no right to, and she was taking it, using it, milking it for her own pleasure. She was staring at that bulge too, her face slack with a kind of drunken awe.

“It’s in so deep,” she moaned, her voice slurred. One of her hands left the leash and pressed against her own lower belly, her fingers splaying over the slight swell. “I can feel you… here. It’s like you’re everywhere.”

The leash went slack in her other hand. She was losing the thread of her own command, getting lost in the physical storm. Her rhythm began to falter, devolving into frantic, shallow bounces. Her breaths became sobs.

“I can’t… it’s too much,” she whimpered. “Kuna, it’s—”

I’d promised to let her lead. But she was drowning. With a growl that was part frustration, part unbearable need, I seized her hips in a firm grip and rolled us over.

The world flipped. She let out a yelp as her back hit the mattress, the leash tangling between us. I was over her, between her legs, still buried to the root inside her. The new angle was deeper, more invasive. Her eyes, wide and wet, locked onto mine.

“You’re still in charge,” I rasped, the collar tight against my voice box. I grabbed her wrist and wrapped her hand around the leash where it was trapped against the bed. “Hold it. Pull it if you want me to stop.”

She nodded, her fingers closing convulsively around the leather. I saw the understanding flicker through the haze in her eyes. She still had the power. She could still say no.

I began to move.

This was different. This was my strength, my weight, my desperate hunger unleashed—but all of it channeled through her permission, tethered by the strip of leather in her fist. I drove into her, slow at first, then with a building, punishing rhythm. Each thrust bottomed out in a place that made her whole body jolt. The head of my cock kissed her cervix, a deep, internal nudge that was less a touch and more a possession.

She broke.

The coherent Megumi—the one trying to be a domme, the one whispering commands—shattered. Her mouth fell open. A stream of ragged, meaningless sounds poured out. “Ah—ah—there—oh god, right there—Kuna—please—”

Her legs hooked around my back, her heels digging into my ass, pulling me deeper, deeper, as if she could get more of me inside her than was physically possible. Her hand on the leash wasn’t pulling to stop me; she was pulling me down, using it to force my face closer to hers. Our foreheads touched. We were sharing the same air, hot and panting.

“You feel that?” I grunted, the words ripped from me. “That’s you. Taking all of me. Every fucking inch.”

She could only nod, a frantic jerking of her head. Her eyes were glazed, seeing nothing and everything. Tears tracked from the corners into her hair. She was a mindbreak mess, unspooling beautifully beneath me. Her other hand clawed at my shoulder, my back, leaving thin, hot trails.

The pressure in my balls was a nuclear reactor going critical. The coil of my orgasm was wound so tight it was pain. Sweat dripped from my chin onto her chest. The sight of her small, perfect breasts, trembling with each impact, the dark peaks hard, almost made me lose it right then.

“Megumi,” I warned, my voice a broken thing. “I can’t… I’m close. I need—”

Her eyes focused, just for a second. A flicker of the girl who had buckled the collar. She understood. She licked her swollen lips.

“Cum,” she whispered.

It wasn’t a command. It was a plea. A prayer.

“What?”

“Cum inside me,” she begged, her voice cracking. “Please, Kuna, I need it, I need to feel you—fill me up—please!”

The last word was a sob. It was the most submissive, most desperately honest thing she could have said. She wasn’t ordering my release; she was begging for it. She was surrendering to the very thing she was supposed to control.

It demolished me.

With a roar that was mostly her name, I slammed into her one last time, as deep as I could possibly go, and let go. The orgasm wasn’t a wave; it was a continent breaking apart. It tore through me, violent and endless, each pulse a deep, claiming jet of release inside her. I felt her clenching around me, milking me through her own climax, her inner muscles fluttering in a frantic, rhythmic kiss as she cried out, a sharp, broken sound that tapered into a whimper.

I collapsed on top of her, my full weight driving the air from her lungs in a soft oof. I was spent, hollow, shuddering. The heat between us was a slick, shared mess. The leash was trapped, a limp snake between our sweat-slicked skin.

For a long time, there was only the sound of our ragged, slowing breaths. The smell of sex, salt, and leather was overpowering.

Slowly, carefully, I pushed myself up on my elbows. I was still inside her, softening. She gazed up at me, her eyes soft and utterly vacant. A strand of hair was plastered to her cheek. Gently, I brushed it away.

Her hand, which had been locked on the leash, fell open, releasing it. She lifted that same hand, her movements slow and dreamlike, and touched the collar around my neck. Her fingertips traced the cool leather, the buckle, the ring where the leash was still clipped.

“Hi,” she said, her voice hoarse and small.

A laugh, weak and astonished, bubbled out of me. “Hi.”

“That was…”

“Yeah.”

“I think…” She swallowed. “I think I forgot to breathe. For a minute.”

“Me too.”

She continued to explore the collar, her touch feather-light. “It looks good on you.”

“It feels good on me.”

A slow, tired, real smile spread across her face. It was the sweet, unguarded Megumi smile, shining through the wreckage of the dominant persona. “I liked it. When I was… when I was begging. It didn’t feel like losing. It felt like… the real ask.”

I understood. Her dominance was a performance, a gift she was wrapping for me. The begging was the truth inside the box. It was her submission, offered freely, which was the greatest dominance of all over someone like me.

I finally pulled out of her, a slow, wet separation that made us both wince. I rolled to the side, but immediately gathered her against me. She curled into my heat, her back to my chest, our legs tangling. The leash trailed over the side of the bed. The collar was still snug around my neck.

We lay in the quiet aftermath. The lamp cast our tangled shadows on the wall.

“Your idea,” I murmured into her hair, “was perfect.”

She hummed, a sound of deep contentment. She reached back and found my hand, lacing our fingers together over her stomach. “I still have the leash.”

“I know.”

“So you’re still mine. For a little while longer.”

“Yeah.”

She was quiet for so long I thought she’d fallen asleep. Then her voice came, a sleepy mumble. “Next time… I want to try it from behind. Doggie style. Like… like a real pet. But you have to keep the collar on. And I want to see… I want to see if it goes even deeper like that.”

The image her words painted in the dark was so vivid, so intensely charged, that my exhausted body gave a faint, interested twitch against her backside.

She felt it. She giggled, a soft, sleepy sound. “Not yet, dummy. Let me recover. My insides feel… rearranged.”

I held her tighter, my nose buried in her hair, breathing in the scent of us. The collar was a comfortable weight, a promise and a reminder. In the darkness, the boundaries of our world had solidified. It was wrong. It was fragile. It was the only true thing either of us had ever known.

And as her breathing finally evened out into the deep rhythms of sleep, the leash still dangling from the ring on my neck, I knew with a calm, dark certainty that I would follow her anywhere she chose to lead.

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