Summer Nights With My Best Friend’s Sister: A Forbidden Seduction

Summer Nights With My Best Friend’s Sister: A Forbidden Seduction

It’s been years since I could look at Emma without thinking about her body. The way she’d grown up, from that awkward, skinny kid who used to chase us around the backyard, into this unbelievably sexy woman, just sort of snuck up on everyone—except maybe me. My best friend, Dave, her big brother, would kill me if he ever knew how I felt. The whole thing was fucking cliché, but there was no stopping the thoughts. And that summer, everything changed.

Dave invited me to his family’s lake house for two weeks, like we’d always done since we were teenagers. Emma’d be there, between college semesters. I almost said no, thinking of how the last time I’d seen her she’d worn cut-off shorts that barely covered her ass, a bikini top damp from the dock, her sandy hair loose around her shoulders. When I arrived, she answered the door with a grin, barefoot, in a faded band-tee and those same damn shorts. Her eyes met mine—blue, teasing—and for a split second I was pretty sure she knew every single dirty thought I’d ever had.

“Hey, Tyler! Been a minute,” she said. She hugged me, and her bare legs pressed flush against mine, soft and warm. I tried not to react, feeling instantly stupid about the half-chub starting in my jeans. I dropped my bag, and Dave came barreling in, oblivious as always.

The first few days, I kept my distance. Emma would flop on the sofa next to me, feet in my lap, or playfully punch my shoulder after some sarcastic remark. She stole my sweatshirt and wore nothing but that and tiny pajama shorts at breakfast, stretching sleepily across from me, smirking when she caught me staring. I convinced myself it was innocent. She was just comfortable. But later, I’d replay every touch or look, wondering if I was imagining things.

On the fourth night, there was a thunderstorm. Dave passed out early, drunk. I was in the kitchen, staring out at streaks of lightning, when Emma wandered in. She poured herself a glass of wine, looked at me across the kitchen island. Lightning illuminated her face, the sharp cheekbones, the full lips.

“Couldn’t sleep?” she asked, voice barely above a whisper.

“Yeah. Too loud.” My voice came out rougher than I’d intended.

She smiled. “You know, you act weird around me lately.”

My heart pretty much stopped. I played dumb. “Uh, what do you mean?”

Emma propped her hip on the counter, hair a mess, face glowing in the storm-light. “You never look at me for more than two seconds, you find excuses to leave the room. Tyler, I’m not fifteen anymore. You can quit ignoring me.”

I swallowed. “I’m not ignoring you.”

She sipped the wine, watching me over the rim glass. “I see how you look at me.”

The words made everything in my body go hot. I stammered, “I—” but couldn’t finish.

She came around the counter, took my wine glass, and set it aside. She moved in close—close enough that her scent hit, something sweet and clean. My brain screamed at me to back away, that Dave was right upstairs, but I stood frozen as she touched a hand to my cheek.

“I like it when you look at me,” Emma whispered. Her fingers trailed over my jaw, scratching lightly. She pressed her body against mine, and I felt her heat through the thin shirt I wore.

I should’ve walked away, but the tension that’d built for years roared up and took control. I bent slightly, my lips hovering near hers. She didn’t wait—Emma kissed me first, slow but hungry, her tongue sliding into my mouth. My hands found her waist on their own, gripping her close as her nails scraped the back of my neck.

We broke apart, breathing hard. For a second, panic set in. “Your brother—”

She kissed my throat, murmured, “He’s passed out. I want this, Tyler. Don’t you?”

I hesitated. I really did. In my head, I saw Dave’s face, thought about what it meant to cross that unspoken line. “Emma, if this happens—there’s no going back.” My hands shook as I cupped her cheeks.

Her lips pressed against mine, softer this time. “I know,” she said. “I’m not a kid. I know exactly what I want.”

That was it. Reason lost the fight.

We stumbled down the hallway to the guest room, her arms wrapped around me, our mouths never separating for more than a breath. As soon as the door clicked shut, Emma stripped off her t-shirt. No bra—her breasts small, perfect, hard nipples standing out. My cock ached, my hands greedy and clumsy. I drew her close, my mouth closing over a nipple, sucking her in, making her gasp, her hips grinding into my thigh.

“God, you’re killing me,” she laughed, but her voice was shaky.

“Tell me if you want me to stop,” I managed, even as I pressed her onto the bed, kissing down her stomach, my hands pushing her shorts down, revealing dark-blue panties, already damp. She looked up at me, eyes wild, lips parted, and I swear, I couldn’t have stopped if I tried.

I slid her panties down, running my fingers gentle along her thigh, tracing the wet heat between her legs. Emma moaned, arching up. Her hands tangled in my hair, urging me lower. My tongue found her clit, and her hips bucked, her breath coming hard and fast. I licked and sucked, fingers sliding in, relishing every tremor of her body as she came against my face, her thighs squeezing tight, her cries muffled against her hand.

When she caught her breath, she pulled me up, her legs wrapping around my waist. “Fuck me, Tyler,” she pleaded, nails digging crescents into my back.

I fumbled with my jeans, nearly tripping in my hurry, then pressed the tip of my cock against her entrance, savoring the heat and wetness. We locked eyes right as I slid in, slow at first, then harder as she squeezed around me, her hands in my hair, mouth on mine, biting my lower lip.

The whole thing was frantic and messy—half whispers, half laughter, teeth and tongues, sweat pooling between us as I thrust deep, our bodies moving in perfect, needy rhythm. Emma was so fucking tight, so loud, and I bit my shoulder to muffle my own groans. I could feel the orgasm coiling, waited until she shuddered again, nails dragging down my spine, crying out my name.

I came hard, cursing, face buried in her neck, trying not to think about what we’d done—just losing myself in the panic and euphoria and the feeling of her shaking beneath me.

After, spent and sated, we lay tangled in silence, the storm dying off outside. I knew this changed everything, that tomorrow would be complicated as hell. I also knew I would do it all over again, if Emma would let me.

She nudged my side, smiling all smug. “Took you long enough.”

I laughed, already aching for her again. “You have no idea.”

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