The campsite was deep in the woods, far from any trails or prying eyes. Jake and his younger sister Emma, both well into their twenties, had pitched the tent by a quiet lake after a long hike. They cracked open beers as the sun dropped, talking shit about work and old family bullshit until the conversation turned flirty.
Emma stretched out on the blanket, her tank top riding up to show the curve of her tits. "Remember when we used to share a tent as kids? Feels different now."
Jake grinned, eyes on her hard nipples poking through the thin fabric. "Yeah, because now I want to bend you over and fuck you senseless instead of just telling ghost stories."
She laughed but didn't pull away when he moved closer. Her hand landed on his thigh, squeezing. "You're such a perv, big brother. Bet you've jerked off thinking about it."
"Every fucking night since you turned eighteen," he said, voice low and direct. He grabbed her wrist and pulled her hand to his crotch. His cock was already thick and straining against his shorts. "Feel that? That's what you do to me out here."
Emma squeezed his shaft through the denim, rubbing slow. "Shit, it's big. You gonna fuck your sister with this thing?"
"Damn right I am." Jake yanked her tank top down, exposing her full tits. He leaned in and sucked one nipple hard, biting just enough to make her gasp. His hand shoved between her legs, rubbing her pussy through her shorts until the fabric was damp. "You're soaked already. Dirty little slut."
They didn't bother with the tent yet. Jake pulled her shorts off right there on the blanket, spread her thighs, and buried his face in her cunt. He licked her clit in rough strokes, tongue pushing inside her wet hole while two fingers pumped in and out. Emma grabbed his hair and ground against his mouth. "Fuck, Jake, eat that pussy. Make your sister come."
She came fast, thighs clamping his head, juices coating his chin. He stood, dropped his shorts, and fed her his cock. Emma sucked him greedily, taking him deep until she gagged, spit running down his balls. "That's it, choke on it," he growled, fucking her throat.
They finally stumbled into the tent as darkness fell. Jake ripped the rest of her clothes off and flipped her onto all fours on the sleeping bags. He slammed into her from behind in one thrust, burying his cock balls-deep in her tight pussy. "Fuck yes, this cunt was made for me," he grunted, pounding hard and fast. The wet slap of skin on skin filled the small space. Emma pushed back, meeting every thrust. "Harder, brother. Wreck my pussy."
He grabbed her hips and railed her, one hand reaching around to rub her clit. She came again, walls squeezing his shaft, moaning loud enough to echo off the trees. Jake didn't stop. He flipped her onto her back, hooked her legs over his shoulders, and drove in deeper, watching his cock stretch her open. "Look at that, little sis. Taking every inch like a whore."
They fucked for hours. Missionary turned into her riding him, tits bouncing while she ground her clit against his pubic bone. He spanked her ass red and called her every filthy name while she begged for his cum. When he finally unloaded, it was deep inside her, thick ropes pumping until it leaked out around his cock.
They lay there panting, sweat-slicked, then started again. This time slower but no less raw—Jake on his side behind her, lifting one leg and sliding back into her cum-filled pussy. He fucked her with long, deliberate strokes, fingers in her mouth, whispering how he was going to keep her full of his load all weekend.
By morning they were still at it, Emma on top again, riding him reverse so he could watch his cock disappear into her.
They came together one last time, bodies locked tight, the tent smelling like sex and pine needles.
When they finally packed up, Emma kissed him hard. "Next camping trip, we skip the clothes entirely." Jake just smirked and slapped her ass. The drive home was quiet, but both knew this was only the start of their secret.
