The second Mark and Lina's car vanished, Laura vaulted into the passenger seat like she was escaping prison.
Feet on the dash, sundress riding so high Alex could see the curve where thigh met hip. No panties. Of course.
Laura: "Five days. No parents. No curfew. No walking on eggshells. I'm going to ride you until one of us breaks."
Alex adjusted himself in his jeans. "Keep talking and we're christening the driveway."
Laura reached over, palmed him hard. "Drive, stepbrother. Fast."
The highway stretched empty ahead, pine trees blurring past the windows.
Laura had her bare feet on the dash again, sundress riding high, humming along to the radio.
Laura (without looking at him): "You know what I'm gonna do the second we walk through that lake-house door?"
Alex glanced over, eyebrow raised. "Tell me."
Laura turned her head slowly, eyes dark and wicked. "I'm gonna strip naked, walk straight to the biggest window overlooking the lake, and press my tits against the glass. Then I'm gonna look back at you and say… 'Come claim what's yours, stepbrother.'"
Alex's hands tightened on the wheel. "Jesus, Laura."
She grinned, tracing a lazy circle on her thigh with one finger. "And you're gonna stalk over, spin me around, bend me over the nearest table, and fuck me so hard the whole forest hears who I belong to."
Alex shifted in his seat, already hard. "Keep going. You're gonna make me pull over right now."
Laura leaned across the console, lips brushing his ear. "Maybe I want you to. Maybe I want you to drag me into the backseat, rip this dress off, and make me scream your name so loud the birds fly away." She nipped his earlobe. "Or maybe I'll be a good girl… and wait until we get there."
Alex growled, low and dangerous. "You're playing with fire, little sister."
Laura sat back, smirking, and spread her legs just enough for him to see she was already soaked.
"Then burn me, big brother. I've been bad all morning." She licked her lips slowly. "Your move."
Alex accelerating harder and Laura laughing like a demon who just won.
11:12 AM – First Stop: Gas Station Adult Aisle
Alex went in for drinks and came back with two bags.
One: Gatorade, chips, Red Bull. Two: a plastic bag that crinkled suspiciously loud.
Laura peeked inside and laughed. "Twenty-four condoms? Flavored? Glow-in-the-dark? Ribbed for her pleasure?"
Alex tossed the bag in the back. "We're not running out. Ever."
Laura: "Bold of you to assume twenty-four is enough."
11:45 AM – Grocery Store
They filled the cart like doomsday preppers with a sex addiction: Ribeye, Whipped cream cans (four), Chocolate syrup, Strawberries, Two bottles of wine, Lube, Zero vegetables.
Laura whispered while holding a cucumber: "We don't need this. You're bigger."
Alex nearly dropped the cart.
Car started running again.
Laura: "So tell me about this lake house. Is it as isolated as Dad said?"
Alex: "Middle of nowhere. Private road. Twenty-plus miles of forest in every direction. The lake's huge, crystal clear, zero houses on our side. Last time I was there as a kid I swear I heard weird shit at night: howls that didn't sound like coyotes, footsteps around the cabin… horror-movie vibes."
Laura's eyes widened. "You're lying."
Alex smirked. "Swear on my life. Place is creepy after dark."
Laura fake-shivered. "Great. My stepbrother's taking me to a murder cabin."
Alex: "Don't worry. If any killer shows up, I'll protect you… after I finish fucking you on every surface."
Laura's hand slid to his zipper. "You shouldn't have said that."
Laura unzipped him without ceremony.
Alex: "Laura....Jesus....we're doing eighty...."
Laura: "Eyes on the road, stepbrother."
She pulled him out: rock-hard, already leaking: and swallowed him to the root in one slow, obscene glide.
No teasing.
Just wet, tight suction, tongue pressed flat against the underside, cheeks hollowing. She bobbed slowly at first: savoring: then faster, gagging herself deliberately, drool spilling down his shaft onto his balls. She took him to the root, nose pressed to his pelvis, humming so the vibrations shot straight to his balls.
Alex's knuckles went white on the steering wheel.
The speedometer crept past 85.
Laura pulled off with a wet pop, strings of saliva connecting her lips to his tip.
"Don't crash," she ordered, then sank back down: deeper, faster, gagging herself on him. She used her hand in tandem, twisting at the base, slurping loud enough to be obscene.
Alex was moaning her name, hips twitching, trying not to crash.
Then:
A flash of movement on the shoulder.
A girl: early twenties, blonde ponytail, car hood up, frantically waving both arms.
Alex's brain short-circuited.
He slammed the brakes, pulled over hard.
Laura lifted her head, lips swollen, saliva dripping down her chin. "What the fuck?"
Alex, cock still out, throbbing in open air: "Car broke down. Be cool...."
The girl jogged up to his window.
Alex rolled the window down…completely forgetting his dick was literally hanging out like a flagpole.
The girl's eyes dropped instantly. Her face went nuclear red.
Laura didn't even flinch.
Instead she smirked, leaned over the console, and took him back into her mouth: right in front of the stranger. Slow, deliberate, eyes locked on the blonde the entire time.
She even waved with one hand while swallowing Alex to the root.
The girl stammered, voice cracking: "M-My car just died… I....I need a garage or… or a mechanic… if you don't mind…"
Alex, trying to form coherent words while Laura deep-throated him without shame: "Sure....fuck....I can… take a look… might… ahh… fix it myself…"
The girl swallowed hard, eyes darting between his face and Laura's bobbing head. "Thank you… that would be… wonderful…"
Alex, barely alive: "It's nothing....Laura, Laura....stop...."
Laura pulled off just long enough to snap: "Shut up. I'll release your dick when I'm done with it. If you wanna play hero, go without your cock attached."
Then she sank back down: harder, faster, gagging loudly, saliva dripping onto the seat.
The blonde girl stood frozen, mouth open, sundress fluttering in the breeze.
Alex's soul officially left his body.