Shared Steam

Alex trudged through the front door, his shirt clinging like a second skin from the post-game sweat and August heat that turned every pore into a leaky faucet. Mom’s voice echoed from the kitchen, sharp on speakerphone about some work deadline. He grunted a reply and hauled himself upstairs, legs heavy as concrete. The screen door slammed, and Sophie strutted in, all golden limbs and swaying hips that screamed trouble. Her volleyball shorts rode impossibly high on her ass, spandex painted on, while her tiny navy sports bra strained over D-cups that bounced with each step. She hip-checked him into the wall. “Nice game, Alex. Miss another layup or trip over your own dick again?” He scowled. “We won. At least I don’t serve like a catapult with Parkinson’s.” She ruffled his hair. “Oooh, burn. Still calling you baby bro until you grow up.” Their banter flowed sharp and fast, but every time she jogged ahead, his eyes locked on that athletic ass—round, high, an injustice Mom once joked about. Five years of cataloging every bounce and tan line left him sweating harder than the game.

At the bathroom door Sophie planted her hands. “Shower’s mine.” He protested, but Mom’s yell cut through: the hot water heater was busted, plumber tomorrow, so they had to share or no hot water at all. Sophie grinned wickedly. “No biggie. We survived eighteen years sharing a bathroom.” He shot her a look, but she arched an eyebrow. “Scared to see a girl naked, baby bro?” He fired back, “Not scared, just don’t want to see you naked. Ever.” She snorted, the sound sending heat through him, and led the way in. She stripped without hesitation, tossing her sports bra and shimmying out of the shorts, fully naked and spinning like a runway model. “See something you like?” He turned away, neck popping, muttering about normalcy while she laughed and stepped under the spray.

The stall was tiny, bodies colliding with every move. Water cascaded over her glistening ass as she faced away, then glanced back. “Crowded in here, huh?” He tried to hide his growing hardness, but she spotted it. “Seriously shy? Such a little prude.” He muttered about nudists while she handed him body wash. “My arms are dead. Scrub my back like a gentleman?” Her shoulders wiggled, tits bouncing, and he caved, soaping her slick skin. Fingers trailed lower as she bent, his hand slipping to her ass. She arched. “Getting handsy?” He lied about sand, voice cracking, until she smacked his palm deeper. “I know you’ve stared since puberty.” His cock hardened fully at the firm, muscular cheek. She squeezed his thigh. “Looks like you’re enjoying yourself.”

She spun, pinning him to the tile, tits pressed to his chest. “You ever touched a girl before?” He nodded. “Ever fuck one?” He shook his head, face burning. Her thigh slid against his cock, hot and teasing. “Want to?” she whispered. Before he answered she kissed him hard, tongue demanding, then slid down to stroke his length. Water streamed between them as she pumped, one hand cradling his balls. “You have no idea how long I’ve wanted to see you lose it,” she said, eyes hungry. He groaned, panting, horny beyond reason. She stood, guiding him between her legs, rubbing his tip against her wet, dripping pussy. “Fuck me, Alex. Do it.”

Sophie jumped up, wrapping strong legs around his waist. He caught her, pressing her back to the cold tile, and thrust inside. Her tight heat gripped him, silky and scorching. She moaned, nails digging his ass. “You’re so fucking big. I knew it.” He thrust deeper, her pussy clenching, water beating down as her ass cheeks spread around him. Her massive tits bounced wildly with each slap of wet skin. She rocked her hips, demanding more. “Harder, little brother. Fuck me like you mean it.” He pounded relentlessly, her juices coating his balls, dripping down her thighs. She rubbed her clit furiously, panting. “I’m gonna cum—don’t stop. Fill your big sister up!”

Her walls clamped down, spasming as she came hard, gushing around his cock. The sensation pushed him over; he buried deep, exploding thick ropes of cum straight into her pulsing pussy. Pulse after pulse flooded her, mixing with her juices and leaking out around his shaft. She moaned, raking his back. “Fuck yes, give it all to me.” They stayed locked, sweating, her strong legs holding him as the last spurts drained. She kissed him slowly, wicked smile forming. “Goddamn, baby brother. You came so much inside me.”

After toweling off they pretended nothing happened at dinner, but Sophie’s glances promised more. She leaned close once Mom turned away. “Next time I want it rougher, and maybe we let Mommy hear if you fuck me hard enough.” He rolled his eyes, but the heat lingered. The night stretched ahead, full of unspoken tension and the knowledge that this shared shower was only the start of something far steamier across the coming days.