It was the hottest day of the summer, the kind of sticky, breathless heat that made the air itself feel like it was trying to fuck you. The air conditioning had died two days ago and the repair guy couldn’t come until Monday. Shelia stood in the kitchen in nothing but a thin white tank top that clung to her heavy tits and a pair of tiny cotton shorts that barely covered the bottom curve of her ass. Sweat ran in slow rivers between her breasts and down the small of her back.
Her step-son Justin was nineteen, tall, and already packing a cock that made the neighborhood girls whisper. Shelia had seen it once by accident last month when he walked from the bathroom to his room with a towel that didn’t quite close. Thick, long, heavy even soft. She had thought about it every night since.
Today she decided the heat was the perfect excuse.
“House rule,” she announced when Justin wandered into the kitchen looking for a cold drink. “Nude day. No clothes allowed until the sun goes down. It’s too fucking hot and I’m done being the only one sweating through fabric.”
Justin froze with the fridge door open. “Mom—”
“Step-mom,” she corrected with a lazy smile, already peeling the tank top over her head. Her big, soft tits bounced free, nipples dark and tight from the sudden cool air of the open fridge. She shoved the shorts down next and kicked them away. Completely naked in the middle of the kitchen, thirty-eight years old, still tight in the waist and thick in the places that mattered. “Your turn. Clothes off. Now.”
He hesitated only a second. Then the shirt came off, the shorts, the boxers. His cock hung heavy between his legs, already starting to thicken under her stare. Shelia’s mouth went dry.
“Jesus, Justin. Your cock is bigger than your father’s ever was. George never had anything close to that.”
She stepped closer, reached down, and wrapped her fingers around the thickening shaft. It jumped in her hand.
“Forced nudity,” she murmured. “That’s the rule today. You stay naked. I stay naked. And if that big cock gets hard, I get to play with it.”
Justin’s breath came faster. “Mom… this is—”
“Slut mommy time,” she finished for him, stroking slowly. “I’ve been thinking about this for months. You’re old enough. And I’m horny as fuck on this hot summer day.”
She dropped to her knees right there on the kitchen tile. The first lick was long and slow from the base to the flushed head. Justin groaned. Shelia opened wide and took him into her mouth, sucking hard, cheeks hollowing, tasting clean skin and the first salty bead of precum. She worked him with wet, greedy sounds, one hand stroking what she couldn’t fit yet, the other cupping his balls.
“Fuck, your mouth…” he muttered.
She pulled off with a wet pop. “That’s just the start. I’m going to teach you everything your father never got. George was boring. You’re not.”
She stood, turned, and bent over the kitchen counter, presenting her ass. “Straddle the edge. Put that big cock against me.”
Justin moved behind her. The thick head of his cock nestled against her already slick pussy. Shelia reached back, spread herself open, and pushed back until the head popped inside. A long, low moan tore out of her.
“Christ, you’re huge. Stretch me open, baby. Fuck your slut mommy right here in the kitchen.”
He sank in slow, inch after thick inch, until his hips met her ass. Shelia’s eyes rolled back. The stretch was perfect, almost too much, the kind of full that made her drip down her own thighs. Justin started thrusting, long deep strokes that slapped skin on skin. The wet sounds of their fucking mixed with the hum of the broken AC and the distant drone of cicadas outside.
Shelia reached for the cucumber sitting on the cutting board. She had planned this. She licked the cool green length, then reached between her legs and pressed the blunt end against her clit while Justin fucked her.
“Watch,” she ordered. “I’m going to show you how a real slut takes it.”
She worked the cucumber against herself in time with his thrusts, then slowly pushed the tip inside alongside his cock. The double stretch made her cry out. Justin’s rhythm faltered for a second as he felt the extra pressure.
“That’s it,” she gasped. “Feel that? Your cock and a cucumber stretching mommy’s cunt. Next we’re going further.”
He fucked her harder, the cucumber sliding in and out beside him. Shelia came first, hard, clenching around both, juices running down the cucumber and over his balls. Justin followed with a deep groan, flooding her with thick ropes of cum that leaked out around the vegetable when he finally pulled free.
Shelia turned, still holding the cum-slick cucumber, and licked it clean while staring him in the eyes.
“Good boy. Now sit on the counter.”
Justin hopped up. Shelia climbed after him, straddling his lap, facing him. She sank back down onto his still-hard cock in one smooth motion, taking every inch. Her heavy tits pressed against his chest as she rode him slow and deep, grinding her clit against his pubic bone.
“Self suck,” she whispered against his mouth. “I want to see if you can do it. Bend forward. Lick the head while it’s still inside me.”
Justin looked confused for a second, then understood. He was flexible enough from years of sports. He leaned down, hips tilting, and managed to get his tongue on the base of his own cock where it disappeared into her. The angle was filthy, awkward, and so hot she almost came again just from watching. Shelia bounced harder, forcing more of him out so he could reach the shaft.
“That’s my dirty boy. Licking your own cock while it’s buried in mommy. Keep going.”
He did, tongue working, until she pulled off him completely, spun around, and presented her ass again.
“Fistfuck time,” she said, voice rough. “I’ve been stretching for this. Use your hand. All of it.”
Justin’s eyes widened, but he didn’t refuse. Shelia reached back and spread herself open. He started with three fingers, then four, working them in and out of her cum-filled pussy until she was open and dripping. Then he tucked his thumb and pushed. The widest part of his hand stretched her wide. Shelia pushed back, breathing hard, until his entire fist was inside her up to the wrist.
“Fuck… yes… punch my cunt, baby. Fist your slut mommy.”
He fucked her with his fist in slow, deep strokes while she reached between her legs and rubbed her clit. The wet squelching sounds filled the kitchen. She came again, hard enough that her legs shook and more of Justin’s earlier load pushed out around his wrist.
When he finally pulled free she was gaping, red, and smiling like the whore she had decided to be today.
“Nude day isn’t over,” she said, wiping her hand on a dish towel. “We’re going to the living room. I’m going to ride that big cock until the sun goes down. And later, when Nina and George come over for the barbecue I invited them to, you’re going to stay naked. Forced nudity for the whole afternoon. Let them see what a real man looks like. Let Nina get jealous of what I’m taking every day now.”
Justin’s cock twitched at the idea.
Shelia climbed back into his lap, straddling him once more, and sank down. “Seduction’s over, baby. You belong to slut mommy now. Every hot summer day. Every kitchen. Every night. That big cock is mine to train, to fist, to fill, and to milk.”
She started riding him again, slow and deep, tits bouncing, red lipstick smeared, the scent of sex thick in the humid air.
Outside the temperature kept climbing. Inside the house, nude day had only just begun.
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