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littleprinces · 6 months ago

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Claiming My Sister

Stepsister! Seeun x M! Reader

I had always had a thing for my sister Seeun. She was a feisty little twenty-year-old with a body that could make a man's cock twitch just by looking at her. I knew she was into some kinky shit, and I was determined to make her mine.

One night, I found her in the living room, watching some BDSM porn. I walked up behind her, placing my hands on her shoulders. "Like what you see?" I asked, my voice low and husky.

She jumped, startled. "What the fuck, Oppa?" she exclaimed, turning to face me.

I smirked. "Just admiring the view," I said, my eyes raking over her body.

She rolled her eyes. "Whatever," she said, turning back to the TV.

But I could see the way her body reacted to my touch. I leaned down, whispering in her ear. "I know what you like, Seeun. I know what gets you hot and bothered."

She turned to me again, her eyes narrowed. "Oh yeah?" she challenged. "And what's that?"

I leaned in closer, my lips brushing against her ear. "Anal," I breathed.

She gasped, her eyes widening. "You're such a pervert," she said, but I could see the heat in her gaze.

I chuckled. "And you love it," I said, my hand snaking down to her ass. I gave it a squeeze, earning a moan from Seeun.

"Fuck," she muttered, her head falling back against the couch.

I took that as a sign to keep going. I tugged at her pants, pulling them down along with her underwear. I knelt between her legs, my face level with her pussy. I could see the wetness glistening on her lips.

I leaned in, my tongue darting out to taste her. She tasted like heaven. I licked and sucked at her clit, earning more moans from Seeun.

"Yes, oppa, fuck," she muttered, her hips grinding against my face.

I stood up, my cock hard and ready. I pulled out a condom, sliding it on. I grabbed Seeun's hips, pulling her to the edge of the couch. I positioned myself at her entrance, my tip teasing her.

"Please, oppa" she begged, her eyes pleading.

I smirked, sliding into her inch by inch. She felt amazing. I started to thrust, my pace building.

"Fuck, Seeun, you feel so good," I groaned, my hands gripping her hips tighter.

"Harder, James, harder," she demanded, her voice taking on a desperate edge.

I obliged, pounding into her with everything I had. She cried out, her nails digging into my skin.

"Yes, yes, yes," she chanted, her orgasm building.

I could feel my own orgasm building, my balls tightening. I pulled out, tearing off the condom. I stroked my cock, my cum spilling out onto Seeun's face.

"Fuck, Oppa," she muttered, her eyes closed as she savored the feeling of my cum on her skin.

I smirked, my cock still hard. "Turn over," I commanded.

She obeyed, getting on her hands and knees. I positioned myself behind her, my tip teasing her ass.

"You sure about this, Seeun?" I asked, my voice low.

She nodded, her eyes meeting mine. "Yes, I want it," she said, her voice firm.

I slid into her slowly, earning a gasp from Seeun. I started to thrust, my pace building.

"Yes, Oppa, yes," she chanted, her hips meeting mine.

I could feel my orgasm building again, my balls tightening. I groaned, my cum filling Seeun's ass.

"Fuck," I muttered, collapsing onto the couch.

Seeun turned to me, a satisfied smile on her face. "That was amazing," she said, her voice soft.

I smirked, pulling her close. "I told you I knew what you liked," I said, my hand tracing patterns on her skin.

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