On a hot sticky night, I indulge my hidden desires
I had always known it was wrong, the way I became aware of his presence whenever he was near. Marcus was three years older, strong and quiet. Our parents got married when I was sixteen and he was nineteen. By the time I turned twenty-two, we had lived in the same house long enough that the line between family and something else started to feel thin.
It started with little things. Late-night drinks after everyone else went to bed. The way his eyes stayed on me a second too long when I came downstairs in a loose T-shirt and soft shorts. The way his hand would brush my lower back and neither of us said anything. One hot August night the air conditioning broke. The house felt sticky and warm.
, I put on the same loose shirt and a pair of thin shorts with nothing underneath. My big, heavy breasts moved freely under the fabric as I walked.
I found him in the living room, shirtless, holding a glass of whiskey with ice in it. The TV light showed the hard lines of his chest. He didn’t look surprised when I sat close to him on the couch.
“Can’t sleep?” he asked in a low voice.
“Not really.”
We sat quiet for a minute. Then his hand rested on my bare knee, warm and heavy. I didn’t move away at first but my nerves ends tingled. His fingers slid slowly higher, slipping under the loose edge of my shorts, I tensed up Marcus… we shouldn’t, I whispered, putting my hand over his.
He stopped, but didn’t pull away. “I know.” His voice was rough. “Tell me to stop and I will.”
I didn’t say anything else. My hand stayed on his for a few seconds, then slowly dropped. He moved again, fingers tracing higher along my inner thigh, slow and careful, until they brushed over my folds. I was already warm and wet. A soft sound escaped me. His fingers slid through the slickness, exploring gently.
I turned toward him and his mouth met mine. Slow at first, then deeper when I opened for him. His tongue slid against mine. I could taste the whiskey. One of his hands stayed between my legs, stroking slowly, while the other moved up and cupped the heavy underside of one breast through my shirt. I pushed into his touch even as part of me still hesitated. My nipples were already hard. When his thumb rubbed over one, heat shot straight between my legs.
He pulled my shirt up and over my head. My breasts spilled free, soft and full. He stared for a second, then leaned in and took one nipple into his mouth. The wet heat of his tongue made me gasp silently. He sucked hard, then switched to the other, squeezing the soft weight of them while his other fingers kept moving under my shorts. My thighs pressed together around his hand. I was already soaked.
Marcus slid off the couch and onto his knees in front of me. He tugged my shorts down and pushed my legs open. He looked between them. His voice came out rough,damn; you’re so wet already.
I felt my face heat up. “This is wrong,” I said again, quieter this time, but I didn’t close my legs. He leaned in and dragged his tongue slowly up through my folds. I sucked in a sharp breath. He licked again, slower, tasting me, then focused on my clit with steady strokes. One of his hands held my thigh open while the other squeezed one of my heavy breasts. I tried to stay quiet, but soft sounds kept slipping out. He licked and sucked until my hips started moving against his mouth.
When my legs started to shake, he pulled back and stood up. He shoved his jeans and boxers down. His cock looked thick and hard. He sat back on the couch and pulled me onto his lap so I straddled him. The head of his cock pressed against my wet opening. He held my hips and rubbed it up and down through my folds, coating himself.
“Tell me you want this,” he said, forehead against mine.
I hesitated one last time. “I… I want it,” I whispered. “I’ve wanted it for years.”
He pushed inside me in one slow thrust. The stretch burned in a good way. I gasped and gripped his shoulders as he filled me. My heavy breasts pressed against his chest. We stayed still for a moment, breathing hard. Then he started moving in deep, steady strokes that made my thighs tremble and my breasts bounce between us. I rolled my hips and took him deeper. His hands came up to squeeze my full tits, thumbs rubbing my nipples. Every time he thrust up hard, they jiggled.
The couch creaked. Upstairs, our parents were asleep. That only made it feel more intense. I leaned forward, pressing my soft breasts harder against him, and bit his shoulder to stay quiet. Marcus’s thrusts got rougher. He held my hips tight and fucked up into me. The wet sound of our bodies filled the room. “Look at you,” he muttered against my ear. My stepsister, taking my cock like this. These big soft tits bouncing while you ride me.
The words sent another rush of heat through me. I clenched around him and came hard, shaking, my breasts heaving against his chest while he kept moving. He followed soon after, pushing deep and coming inside me with a low groan.
We stayed joined for a while, both breathing hard. Sweat cooled on our skin. My heavy breasts rose and fell against him. When he finally pulled out, I felt his come slowly trickle down my inner thigh. Neither of us said anything about what had just happened. We cleaned up quietly and went back to our separate rooms before morning. The taste of him was still on my lips, and the ache between my legs wouldn’t go away.
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