It started as a way to pay the bills after my voice acting gigs dried up. I sat in my small apartment, headphones on, microphone inches from my lips, and whispered the dirtiest lines I could invent. The scripts always followed the same pattern: a sister teasing her brother, their voices low and urgent, bodies finally giving in to years of hidden want. Listeners paid extra for the raw, unfiltered versions where the moans sounded real. I made them sound real because I let my mind drift to him.
My brother, Mark, had moved back to the city six months earlier. We were both adults, him thirty-two and me twenty-nine, but the old tension from our teenage years never left. Late-night texts turned into dinners. Dinners turned into lingering hugs at my door. One night, after too much wine, he asked what I did for work now. I told him the truth, expecting shock. Instead, his eyes darkened and he asked if he could hear one.
I played him a recording. My voice filled the room, soft at first, then gasping as I described a sister climbing into her brother's bed, guiding his cock into her while whispering how long she'd wanted it. Mark shifted on the couch, hard beneath his jeans. When the audio ended he didn't speak. He pulled me onto his lap and kissed me like we'd both been waiting for permission.
That night we crossed the line. I didn't plan to record it, but the next morning the idea wouldn't leave. I asked if he'd let me capture us for real, just once, to sell as an authentic adult incest sex audio story. He said yes without hesitation.
We set up in my bedroom. The microphone sat on the nightstand, red light glowing. I hit record and climbed onto the bed in nothing but an old t-shirt that barely covered my ass. Mark stood at the foot of the mattress, watching me.
"Start like the others," he said, voice already rough. "Tell them what you want."
I leaned toward the mic. "I've been thinking about my brother all day," I said, letting the words come out breathy. "How thick his cock gets when he looks at me. How I want him to fuck me until I can't stay quiet anymore."
Mark stripped and joined me. His hands pushed my thighs apart. He didn't rush. He dragged his fingers through my wetness, circling my clit until my hips lifted off the sheets. I kept talking for the recording, describing every sensation because the listeners paid for details.
"He's touching me now," I murmured. "Two fingers inside me, curling just right. God, it feels so good. I've wanted this for years."
He replaced his fingers with his mouth. His tongue licked slow, deliberate strokes, then sucked my clit while I moaned into the mic. I reached down and held his head, grinding against his face until my first orgasm hit, thighs shaking around his ears. I narrated it all, voice breaking as I came.
When he finally slid his cock into me, I nearly forgot the microphone. He filled me in one long thrust, bottoming out while I gasped his name. We moved together like we'd done this before, like the years of pretending didn't exist. I wrapped my legs around his waist and told the recording how deep he felt, how his balls slapped against me with every stroke, how I wanted him to come inside me so the audio would capture every wet sound.
Mark flipped me onto my stomach, pulled my hips up, and fucked me harder. The headboard knocked the wall. My voice grew louder, begging him not to stop, telling the invisible listeners that my brother knew exactly how to use me. He reached around and rubbed my clit again until I came a second time, clenching around him. He followed right after, groaning my name as he pulsed deep inside.
We stayed connected, breathing hard, the recording still running. I reached over and turned it off only after the aftershocks faded.
In the weeks that followed we made more. Each session started with me speaking to the mic, confessing the fantasies I'd carried for years. Then Mark would take over, sometimes directing me, sometimes just taking what we both needed. The audio stories sold faster than anything I'd done before. People left comments about how real the moans sounded, how the dirty talk felt personal.
We never stopped. Some nights we listen to the old recordings together before we make new ones. My voice fills the room, describing the first time, and then Mark pushes me down and gives me fresh material. The line between the stories we sell and the life we live has blurred completely. I don't mind. Every time I press record now, I know the ending will be the same: my brother inside me, both of us too far gone to care who might hear.
