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You’re Mine Now, Sensei

Summary:

Miyo doesn’t just want Sensei’s attention.
She wants him, and only she can have him.
Once she has him in her room, she’s not letting him leave until he's dry.

Notes:

First ever smut fic of Miyo! Miyo-chan's design rather simple, but that's what makes her so cute and adorable. She has such a doom and gloom exterior but inside she's a really smart and clingy girl. It's also my first time writing a yandere/clingy style character, so I hope I didn't disappoint too badly!

Work Text:

The evening sun filtered through my bedroom curtains, spilling soft amber light across the worn surface of my typewriter and the scattered papers beside it. I watched the way the warmth pooled along the floorboards, slow and heavy, the kind of heat that made everything feel slightly too warm. I sat at the small writing desk near the window, my fingers pausing above the keys of my typewriter. My teal blazer sat open, bow slightly loose, and shoes off as I stared at the paper ahead of me. The room smelled of paper and something faintly floral, private in the way only a bedroom can be. I shifted once, then reached down and peeled off my socks, pressing my bare feet flat against the cool wooden floor. I let out a small breath, a quiet release hoping nobody would notice.

My ash blonde hair was loosely tied, a few strands falling over my eyes.

“I can’t believe I’m writing something like this…” I whispered to myself, biting my lip. My eyes darted around my bedroom filled with novels, a twin sized bed, and my collection of the many models of typewriters I've collected over the years. “...ahh, the MilkySweet 42…”

Sensei was supposed to visit me later tonight, but this wait was letting my imagination go wild. I unraveled the piece of paper from my typewriter. I quickly cleared my throat, glancing around nervously, then began reading out my freshly written scene.

~

“‘In the moonlit academy garden, Miyo stood before Sensei, heart pounding on overdrive. ‘S-Sensei…’ she stammered, hands clutching the sleeves at her chest. ‘I’ve written a thousand stories, but none of them compare to just how you make me feel.’ 

Sensei stepped closer, towering over her petite frame with a gentle yet commanding aura. 

‘Then stop writing about us,’ he murmured, tilting her chin up with those strong fingers Miyo always wanted to hold, ‘and let me show you the real thing.’ 

Before she could protest, Sensei pulled her into a deep and passionate kiss. Miyo melted against him, her legs weak as his hands roamed up her back, pulling her tightly against his body.

‘Ahh~, Sensei…’ She moaned into his mouth, her chest pressing against him. ‘Lets go somewhere more secluded…’

Both of them scurried to a hidden romantic meadow that definitely existed behind the school. There, she laid down on the soft grass and unbuttoned her uniform, revealing more of her skin under the moonlight glow. His lips trailed down her neck, then lower, teasing her breasts until she was squirming and whimpering.”

~

My voice cracked on the last line as I crumpled the paper together and threw it into the trashcan. My face was now red scarlet.

“Ughhh…. this is SO stupid!” I groaned, burying my face in my hands. “‘A hidden romantic meadow? Really? Was that the best I could come up with? And also, the way I wrote myself as if I’m some heroine… I sound ridiculous…”

I let out a long exhale. It was ridiculous. However, reading it out loud made the fantasy feel far too real. Heat pooled low in my stomach, as I squeezed my thighs together under the desk. It was embarrassing just how wet I got from reading my own silly writing.

“I can’t do this… I’m just doomed into a life full of crime, aren’t I?” I chuckled, slouching into my chair as I stared at the ceiling.

However, at that exact moment, there was a soft knock on my door.

“Miyo? It’s me.”

Sensei’s familiar voice made me jump, as I didn’t think he was going to be here so soon. I quickly scrambled to throw away the remaining embarrassing drafts I wrote earlier and fixed my bow.

“C-Come in…” I called, voice quiet.

As the door opened and Sensei stepped in, I just couldn’t meet his eyes. My heart was beating too fast.

“I was just writing something," I mumbled, voice quiet. “It was about you… about us.”

Sensei stepped closer, as I piqued his interest. I could smell his scent even though he was across the room from me. It was dangerously addictive. My fingers tightened at my chest.

He tilted his head slightly, completely oblivious to the contents. “May I read it?”

“N-No!” I squeaked, shaking my head, my hair whipping around. “It’s too embarrassing… It was silly. It was a stupid little story I decided to write, it's filled with too many romance tropes…”

“That’s fine, I’m curious what you wrote about us,” Sensei continued asking, as if he’d be able to convince me. “I won’t judge.”

My cheeks burned hotter. “I was reading it out loud before you came and it made me feel things…”

I finally looked up at him, my expression completely shifting. My face was flushed, but now filled with a possessive and almost desperate edge. I slowly walked over to him, lust and desire quickly taking over.

“Sensei… make my stupid story real,” I whispered. “Please, I want your hands on me. I want you to touch me the way I wrote… but even better. I want to be the only one who makes you feel good.”

I pushed him onto my bed and grabbed his tie, refusing to let go. My golden eyes locked on with his as I grabbed his shirt.

“M-Miyo?!” Sensei’s voice hitched as my actions completely caught him off guard. I let out a small giggle as I looked at his helpless state.

“Every time you would come to Wild Hunt, you never came to see me… I was really lonely, you know…?”

My voice was soft, but my tight grip on his shirt was anything but that. Sensei’s eyes widened, clearly freaking out at how suddenly intense and different I’ve become.

“M-Miyo, wait, this is too sudden… are you okay?” His voice stuttered with nervousness as he tried to sit up, but I pushed him back down firmly, sitting on his legs so he couldn’t escape.

“I’m fine,” I whispered, leaning down until my face hovered just above his. My long hair with those cute white highlights cascaded around us. “I’ve just been waiting around for so long… pretending to be shy, while I’ve been imagining doing all sorts of things to you. Only me. Nobody else gets to have you like this…”

Sensei’s breathing grew faster. “Miyo, you’re scaring me a little–”

I giggled again. Sweet, but unhinged. I reached up and untied my dark green bow from my neck. The silky fabric slipped free easily, and before he could react, I quickly wrapped his eyes, tying it securely behind his head.

“Shhh, don’t be scared, Sensei,” I cooed, my voice turning possessive. “Now you can’t see anything, right~? Good. That means you can only focus on me~.”

“Miyo, Sto–” His hands instinctively reached up to touch the blindfold, but I intercepted his wrists and pinned them down besides his head with surprising strength for my small frame.

“You don’t need to see,” I whispered against his head, my breath soft and hot. “You only need to feel me. My body. My voice. My scent. Only me.”

I sat up straighter on him, grinding slowly against the growing bulge in his pants. A soft hum left my throat as I felt him twitch through the layers of clothing. My hands slid under his shirt, my nails and soft hands dancing over his skin.

“Sensei belongs to Miyo now,” I whispered, my tone sweet but overly obsessive. “If I see any other girl that tries to get close to you… I’ll hide you away in my room. I’ll tie you up every night and remind you who you really want.”

I leaned down and kissed him deeply, my tongue slipping through his lips while my hands instinctively started unzipping his pants. My hands palmed his pants as I tugged at his belt.

“You’re so hard already…” I breathed, darkness flowing through my voice. “Even though you’re panicking up here… your body knows who it wants.”

I freed him from the stress in his pants and wrapped my soft, warm hand around his penis, stroking him passionately as I left small hickeys on his jaw and neck.

“Sensei… say my name,” I demanded softly, tightening my grip a little. “Tell me I’m the only one. Tell me you’re mine.”

I kissed him again, deeper and pouring everything into him. My tongue tangled with his as I stroked him faster, feeling him throb hot and heavy in my hand.

Suddenly, Sensei broke the kiss with a gasp, turning his head away and pushing me away briefly.

“Miyo–wait, slow down–” He sounded overwhelmed, chest heaving. He was trying to create some distance from me.

I didn’t care.

Instead, I slid down his body with speed, my hair brushing along his stomach as I settled between his legs. The blindfold was doing its job perfectly.

“M-Miyo?!” His voice jumped, but quickly turned into a groan as I leaned in and teased my warm tongue at the tip of his cock.

“I told you I won’t let go~,” I whispered against his skin, my breath teasing the tip. “You’re mine now, Sensei.”

Without giving him another chance to protest, I parted my lips and took him into my mouth. I started slowly, sucking gently on the head while my tongue swirled around him, tasting the warm precum that had already leaked out for me. Soft twitches bounced in my throat as I pushed deeper, taking more of him.

Sensei’s hips jerked. “Fuck–Miyo…!” His hands flew to my head, seemingly to try and lift my head up, but he couldn’t pull me away. He was holding on for dear life.

I could feel him getting used to it, his initial shock melting away into obvious desire for me. His breathing grew heavier, more desperate. His cock twitched eagerly every time I bobbed my head on his cock. I took him in even deeper, relaxing my throat as best as I could. Wet and sloppy sounds filled the quiet room as I sucked him passionately. I reached up both of my hands to his, interlocking our fingers together.

“Mmm… Sensei…” I pulled back up just enough to speak, saliva connecting my lips to his cock. My voice was breathy and thick with lust. “You’re so big… and you taste so good. I’ve dreamt of this for so long.”

I dove back down, sucking harder and even faster. The more I heard him groan and the more his hips started to buck into the back of my throat, the wetter I became. One of my hands slipped between my own thighs, rubbing myself through my soaked panties as I pleasured him.

“You can’t leave me after this…” I moaned, the words muffled but intense. “I’ll relieve your stress every night if I have to… I’ll make you cum so many times you forget anyone else exists. You’re mine… only mine… say it, Sensei. Please…”

Sensei’s grip on my hair tightened painfully as his hips stuttered. Tears built in my eyes as he took full control of my head. His breathing turned into broken groans.

“Miyo– I’m– fuck!”

His cock throbbed hard against my tongue. His first thick spurt shot straight into the back of my throat, making me whimper and choke as I tried to swallow it all. But there was too much. Some of it overflowed from the corners of my lips, dripping down my chin and landing onto my uniform jacket and skirt.

I kept sucking, milking him of every last drop until his body finally relaxed. I slowly pulled off with a wet pop, a thin string of cum and saliva still connected from my lips to his twitching cock. I looked down at the mess he made to my uniform and let out a soft giggle.

“Look at what you did, Sensei~” I murmured. “You got cum all over my uniform… now everyone will know I’ve been a naughty girl for you.”

I sat up on top of him, and reached behind his head to untie the green bow I used as a blindfold. The fabric slipped away, revealing his dazed and flushed face. Our eyes met, as I grabbed one of his wrists and guided his hands between my legs. I was soaked–my panties completely drenched. I pressed his fingers against my aching pussy through the thin and wet fabric, boldly pushing them.

“This is your fault…” I whispered, my golden eyes burning for him. “Feel how wet I am for you. This is what you do to me…”

I used his fingers to rub my swollen clit before guiding two of them inside me. A shaky moan escaped my lips as I rocked my hips, fucking myself on his hand. My insides clenching around his fingers.

“Ahh… Sensei’s fingers feel so good…” I whimpered, grinding even harder. My free hand wrapped around his cock again, stroking him back into full hardness. I couldn’t wait any longer.

Still holding his hand inside me, I shifted forward. Pulling my soaked panties aside, I lined up his tip with my entrance. With a needy and near delirious look in my eyes, I inserted him inside me in one slow, desperate motion.

“Nngh–!” I gasped, my body trembling as he stretched me open for the first time. Once he was fully inside me, I leaned forward, pressing my cum stained uniform against his as I began to ride him.

“You’re mine now,” I panted, my voice shaking with pleasure and dark affection. “No one else gets to have you like this. I’ll keep you inside me forever if I have to…”

I kissed him messily, hips moving faster as I quickly got used to his cock inside me. The whole room filled with an obscene schlick–schlick-schlick of my soaked pussy sliding up and down his hard cock, quickly followed by slap-slap-slap of my ass meeting his thighs.

I love you, Sensei, I love you… it’s so deep in me… I thought as his cock violated me.

Every time I sank down, I felt him hit that perfect spot inside of me sending jolts of pleasure through my body. My insides clenched greedily around him, trying to pull him even deeper and closer. My body refused to let him go.

“Nngh… Sensei–! You’re so deep inside me…” I moaned, my voice shaky and breathy. My hair bounced wildly around my shoulders as I moved with more passion. The wet sounds grew louder and more erotic each time I slammed his cock deep inside me.

He’s mine… only mine… I can feel his cock twitching inside me… I don’t want this feeling to end, I thought, as my mind went through whirlpools of obsession and overwhelming pleasure. The thought made my pussy even tighter around his cock. A rush of possessive joy mixed with raw lust made my head spin.

I leaned forward, pressing my cum stained uniform against him as I rode him with frantic need. My breathy whimpers mixed with his low groans.

Schlick… schlick… plap… plap…

The slick sounds of my juices coating his entire length and dripping down onto his balls drove me crazy. Each thrust made my clit grind against him, shooting goosebumps up my spine.

“I love you… you’re mine and only mine, okay~?” I gasped into his ear, my voice cracking with emotion and pleasure. “I’d do anything to keep you like this… inside of me… you’re only for me…”

My movements became more erratic, my thighs burning. But I didn’t slow down. The pressure inside me kept building. My pussy pulsed and squeezed around him, getting closer and closer to the edge.

He’s throbbing and twitching… I can feel him getting even bigger inside me… I thought, as I brought him tightly against me.

“Sensei… I’m… I’m so close…” I whined, my nails digging into his shoulders as I bounced faster, the wet plapping turning almost frantic. “Cum with me… please… fill me up, mark me as yours from inside!”

My body trembled violently as the pleasure coiled tighter and tighter in my lower belly. My whole body tensed up as the pleasure finally snapped.

“Sensei…! I’m cumming, I’m cumming!!”

A powerful orgasm shot through me, my pussy clamping down hard around his cock. A pulsating rhythm fluttered wildly through my body as my walls squeezed him, milking him with a desperate clingy feeling.

Schlick-Schlick-plap-plap-plap!

The wet, messy sounds of our bodies connecting grew frantic and sloppy as I kept riding him through my climax, refusing to slow down as my thighs shook uncontrollably.

Sensei groaned loudly beneath me, his hips and thighs tensing hard. “Miyo, wait, I’m gonna–!”

I felt the first powerful spurt of his cum shoot deep inside of me.

“Ahhhn…!” A broken moan tore out from my throat as his thick seed flooded my womb. The sensation was overwhelming–hot, sticky, and so full. I could feel every pulse of his cock as he emptied himself into me, the warmth spreading through my belly like honey. My womb felt heavy, flooded, and claimed by him.

He’s cumming so much inside of me… it’s so warm… and so deep… I thought as I hugged him, making sure every drop stayed inside. When he tried to instinctively pull back, my legs locked around his waist, my arms tightening.

“Don’t pull out!!” I gasped, voice trembling with a clingy and possessive tone. “Stay inside… please… I want all of you… fill me up completely.”

Another thick spurt erupted inside of me, as I whimpered in pleasure. The warm and heavy sensation in my belly grew even stronger. The satisfying fullness made me feel marked, owned, and completely his. My pussy continued to clamp down onto him and milk him. My body greedily drew out every last drop as my mind spun with a dark satisfaction.

He’s pumping me full… It's so warm… So nice. It’s all mine now. He can never leave me after this… I thought as I buried my face into him, moaning softly into his ears as the last few spurts filled me. My belly felt bloated and warm, his cum sloshing inside me with every tiny movement. A blissful and unhinged smile spread across my flushed and sweaty face.

“Sensei…” I whispered, still refusing to let him pull out. “You came so much… I can feel it all deep inside me. It’s so hot… so full…”

I kissed his neck profusely, leaving another mark on his neck as my body continued to tremble with aftershocks.

“You’re never allowed to leave me… okay~? This is where you belong now, inside Miyo… forever~”

~

A comfortable, hazy silence settled over us. I don’t really know how much time passed. Maybe it was a few minutes, or maybe it was half an hour, but we stayed together, tangled together in my small bed. Sensei’s breathing had finally slowed, and I was happily snuggled onto his chest. One of my hands lazily traced along his skin while the last remaining bits of his cum leaked out.

Eventually, however, reality started creeping back in.

“Miyo… we should probably clean up,” Sensei muttered, shifting slightly.

I let out a soft, reluctant whine. I finally loosened my legs so he could pull out. The moment he did, a thick stream of his cum dripped out of me onto the sheets. I blushed furiously.

We both sat up and looked at ourselves.

…oh no…

My uniform was completely covered in dried streaks of his cum. There were also suspicious wet spots and wrinkles everywhere. Sensei wasn’t much better. He had lip marks, hickeys, and a few suspicious stains on his shirt. His pants were a complete disaster.

We stared at each other, then at our clothes in dead silence for a few seconds.

“Sensei…” I said slowly, my voice quiet. “How are we supposed to leave the room like this?”

Sensei ran his hand through his hair, looking amused and horrified.

“If I walk out of Wild Hunt right now looking like this… students might be asking me questions. Or worse, they’ll know exactly what happened.”

I covered my face with both of my hands, peeking through my fingers as my ears burned from embarrassment.

“My uniform is literally marked with your cum… if anyone sees me like this, I’ll die of embarrassment! They’ll think I’m some kind of perverted girl who does perverted things in her room instead of just shady trade deals…”

Sensei let out a laugh. “You are perverted…”
I puffed my cheeks and lightly smacked him, though he wasn’t far from the truth.

“This is your fault, you know…” I grumbled, crawling closer and clinging onto him again. “You came so much that it got everywhere. Now we’re both trapped in my room forever… actually that doesn’t sound so bad…”

I looked up at him with a mischievous glint in my eyes.

“We could stay here. I’ll hide you. No one will ever find out~!”

Sensei sighed, but there was a defeated smile on his face. “...We’re going to need a laundry plan. And maybe a new uniform.”

I giggled and buried my face in his chest again, already wrapping my arms around him tightly.

“Fine… but only after you stay with me a little longer, deal~?”

~