I couldn't believe I was actually doing this. My heart pounded in my chest as I glanced over at Sarah, my best friend at uni, sitting on the edge of my bed. We'd been hanging out all evening, sharing more than one bottle of wine and talking about everything from our latest failed dates to my obviously perverted professor. That shifted the conversation to sex —specifically, how long it had been since either of us had gotten off properly. That's when I blurted it out, half-joking at first: 'You know, I could show you how I do it. If you're curious.'

Her eyes widened, but she didn't laugh it off. Instead, she leaned forward, a flush creeping up her neck. 'Are you serious?' she asked, her voice barely above a whisper. I nodded, feeling a rush of heat between my legs. Why not? We'd shared secrets before; this was just much more intimate.

She swallowed hard and nodded, scooting back against the headboard to give me space. I stood up from the chair across the room and slowly peeled off my tank top, letting it drop to the floor. My bra followed, and I felt her gaze on my breasts as they bounced free, nipples already hardening in the cool air. I hooked my thumbs into the waistband of my shorts and panties, sliding them down together. Naked now, I climbed onto the bed beside her, kneeling with my legs spread wide so she had a clear view.

'Touch yourself if you want,' I said, my voice husky. She bit her lip but kept her hands in her lap for now, eyes locked on me. I leaned back against the pillows, propping myself up on one elbow, and trailed my fingers down my stomach. My skin tingled under my touch, anticipation making everything feel electric. When I reached my pussy, I was already slick, swollen and ready. I parted them with two fingers, exposing my clit, and Sarah let out a soft gasp.

I started slow, circling my clit with my middle finger, feeling the familiar spark of pleasure ignite. My hips rocked slightly as I rubbed, building the pressure. 'Like this?' I murmured, glancing at her. She nodded, her breathing quicker now, one hand drifting to her thigh. I dipped lower, sliding a finger inside myself, then two, pumping them in and out while my thumb pressed against my clit. Wet sounds filled the room, obscene and thrilling.

Emboldened by her stare, I spread my legs wider, arching my back so she could see every thrust. My free hand cupped my breast, pinching the nipple hard enough to make me moan. 'God, it feels so good knowing you're watching,' I confessed, my voice breaking. Sarah shifted closer, her eyes dark with hunger. 'You're so wet,' she whispered, and that pushed me further. I fucked myself faster, fingers curling to hit that spot inside, my clit throbbing under the relentless circles.

Sweat beaded on my skin as the tension coiled tighter. I could feel her heat next to me, the way her chest rose and fell. 'Don't stop,' she urged, and finally, her hand slipped under her skirt. Seeing her touch herself while watching me sent a jolt straight to my core.

It hit me hard, my body shuddering as I came. I cried out, hips bucking wildly, cum dripping down my thighs. Sarah's eyes never left me, her own fingers moving frantically now. As I rode out the aftershocks, panting and spent, I turned to her with a lazy smile. 'Your turn?' I asked, still buzzing from the high.