The house was quiet except for the low hum of the AC and the occasional creak of the old floorboards. I was twenty-two, home from college for the summer, and my sister Emma was twenty, back from her first year too. We had the place to ourselves for the weekend while our parents were at a wedding out of state.
Emma walked into the kitchen in nothing but a thin tank top and panties, her nipples hard from the cold air. She grabbed a beer from the fridge and leaned against the counter, looking at me.
"You staring at my tits again, big brother?" she asked, smirking.
I didn't deny it. "Yeah. They're fucking perfect."
She set the beer down and stepped closer. "We've been dancing around this for years. You gonna finally do something about it?"
I grabbed her by the hips and pulled her in. Our mouths crashed together, tongues sliding hot and wet. She tasted like mint gum and bad decisions. My hands went under her tank top, squeezing her soft tits, thumbs rubbing those stiff nipples until she moaned into my mouth.
Emma dropped to her knees right there on the kitchen floor. She yanked my shorts down and my cock sprang out, already hard and leaking. She wrapped her hand around the base and licked the head like she was starving.
"Fuck, your dick is thick," she muttered, then sucked me deep. Her mouth was hot and sloppy, spit running down my shaft as she bobbed her head. I grabbed her hair and fucked her throat, watching her eyes water while she took it all.
She pulled off with a wet pop. "Take me to your room. I want you to fuck your little sister properly."
We barely made it to the bed. I ripped her panties off and spread her legs. Her pussy was shaved smooth and dripping. I buried my face between her thighs and licked her clit hard, sucking the swollen bud while I shoved two fingers inside her tight cunt. Emma bucked against my mouth, cursing.
"Goddamn, eat that pussy. Make your sister come on your tongue."
She came fast, thighs clamping around my head, juices coating my chin. I flipped her onto her stomach, pulled her hips up, and slammed my cock into her from behind. She was soaked and tight, gripping me like a fist.
"Fuck me harder," she growled. "Pound your sister's cunt."
I did. I fucked her deep and rough, balls slapping against her, the bed creaking loud. Her ass jiggled with every thrust. I reached around and rubbed her clit until she came again, screaming into the pillow, her pussy pulsing around my dick.
I pulled out and flipped her onto her back. She spread wide for me. I shoved back in and pinned her wrists above her head, driving into her with long, hard strokes.
"Look at me while I fuck you," I said. "Tell me you want your brother's cum."
"Fill me up," she begged, eyes locked on mine. "Come in your little sister's pussy. Breed me."
That pushed me over. I buried myself to the hilt and unloaded, thick ropes of cum pumping deep inside her. She came with me, milking every drop.
We didn't stop there. After a quick shower that turned into her riding me against the tile, we ended up back in bed. She sucked me hard again and climbed on top, sinking down on my cock and grinding her clit against me until we both came a second time, slower and messier.
By morning we were tangled in sheets, her head on my chest, my cum still leaking from her well-fucked hole. She reached down and stroked me lazily.
"Parents get back tomorrow," she said. "We better make the most of tonight."
I rolled her under me and slid back inside. "We will."
We spent the rest of the weekend fucking every chance we got—on the couch, in the shower again, bent over the kitchen table. Raw, filthy, and exactly what we'd both been craving.
No guilt, just two adults who finally stopped pretending they didn't want to wreck each other.
