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Caught in Diapers by His Stepsister and Her Wife

Caught by his stepsister and her wife while diapered and helpless.

9 min read November 02, 2026New

The house was supposed to be empty until Sunday. Xavier had counted on that the way he counted on the thick padding between his thighs, quiet and private until whoever his stepmother hired next decided otherwise. At twenty-four he still lived under her roof, a grown man with a desk at the county records office and a closet of ordinary clothes that hid what she kept for him after dark. Every night she fastened him into a diaper. Some nights she paid dominant women to peg him with a strap-on, indulging the sissy-baby hunger he had confessed to her, sober and certain, after he turned twenty. He wanted that. What he had never told her was the other hunger: four years of aching love for Chloe and for Paulina, begun only once he was an adult and old enough to know the difference between a crush and a life he could not have.

Chloe was twenty-six, his stepsister only by the marriage that had brought her into the house when he was already grown. Paulina was twenty-seven, Chloe's wife, sharp-eyed and warm, the kind of woman who noticed an empty glass before anyone asked. They had left Thursday for a long weekend on the coast. It was only Friday evening. Xavier knelt on the den rug in nothing but a soaked diaper and frilly plastic pants, the plastic gone cloudy where he had let go and the warmth had cooled against his skin. A pacifier rested in his mouth. Both hands lay useless on his thighs. The lamp threw a warm circle over his bare chest and the ridiculous frill at his hips. He was floating in that small, humiliating peace when the front door opened two days early.

"Xavier?" Chloe's voice came down the hall. Keys hit the bowl. Then Paulina's lower laugh, and the doorway filled with both of them and their overnight bags.

He froze. The pacifier slipped and bounced. Wet padding shifted as he tried and failed to cover himself. Chloe stopped so fast Paulina bumped her shoulder. For a long second nobody breathed. His most private secret sat shining between his legs, thick and used and utterly exposed to the two women he had wanted in secret since he was twenty. Rain still glittered on their coats, and neither of them looked away from the thick, soaked diaper or the shake in his hands.

Chloe set her bag down without looking away. Color rose in her throat, but her mouth did not twist. Paulina's gaze moved over the soaked diaper, the bare chest, the helpless hands, and her face went soft and intent at once.

"We came back early," Paulina said, steady. "The inn lost our reservation. Look at me."

He looked. Shame burned so hot he thought he might cry, and under it his cock stirred in the wet padding because they were seeing him. Because it was them.

"I'm sorry," he said, small. "I didn't know you'd be home. I can go upstairs and you can pretend—"

"Don't." Chloe crossed the rug and crouched, not touching him yet. Up close she smelled like rain and citrus lotion. "We've wondered for a long time. The way you go quiet when Paulina teases you. The way you watch my hands. We thought you were hiding a submissive sissy side. We didn't know it looked like this."

Paulina shut the door and knelt on his other side. "We're not disgusted. Hear that first. You're twenty-four, sober, awake. If you want us to leave and never speak of this, we will. Say the word."

The diaper squished when he shifted. "I don't want you to leave."

"Then tell us," Chloe said.

He told them all of it. The night diapers. His stepmother had done it, he said, and neither of them had known. The women sometimes hired to strap him and talk down to him while he cried and came. He had asked for that, freely. None of those women had been who he wanted. His voice shook. "I've been in love with both of you for four years. Since I was twenty. Not before. I know what you are to each other. When I picture anyone's hands on me, it's yours."

Chloe exhaled, almost a laugh. "Paulina and I have a rule. I wear the strap more often than not. She likes being held down, and she likes holding someone else down. We've talked about a third. We've talked about you. Then we called ourselves reckless."

"We were wrong about you not wanting it," Paulina said, smiling slow. "I want to touch that soaked diaper and then do worse. Only if you ask."

His cock was a pathetic ridge against the plastic. "I want it. Both of you. Use me the way those women did, except be you, and I'll say yes the whole time. I'm saying yes. I'm sober. I'm choosing this. If you want a pathetic diapered sissy, that's what I am. Please."

Chloe's hand settled on his knee. "Then we do it properly. We clean you. Fresh diaper. We take turns. You stop us with one word, red, and we stop. Short of that, we will not be gentle with your pride. Understand?"

"Yes. Red if I need it. I don't. I want you."

"Good boy," Paulina murmured, and the praise hit harder than any slap.

They took him upstairs. Chloe ran warm water. Paulina peeled the frilly plastic pants down his legs. The diaper sagged, heavy with him. They stripped it off together, and Chloe wiped him clean with a warm cloth while Paulina held his wrists at the small of his back so he couldn't hide. Every pass over his cock, his balls, the cleft of his ass made him whimper.

"Look at this pretty little thing," Chloe said, stroking him once until he leaked on her fingers. "Hard in a puddle of your own piss. Pathetic. Perfect."

Paulina kissed his jaw. "Still yes?"

"Yes. Please don't stop."

They dried him. He pointed, shaking, at the bag in the linen closet, and they took a fresh thick diaper and clean plastic pants. Chloe powdered him slow. The diaper went up between his legs, taped snug, his cock pressed flat and aching under the dry core. Plastic pants followed, frilled at the thighs. He stood in the bathroom light, diapered again, harder than he had been on the rug.

In the bedroom Chloe stripped and buckled on a harness from the drawer she and Paulina shared. The strap was thick, smooth, deep red. Paulina undressed more slowly, letting him see the weight of her breasts and the dark hair between her thighs. Grown women, sure of him.

"On the bed," Chloe said. "Back. Legs open. If the diaper gets in my way, I pull it down. You'll thank me."

He obeyed. Chloe knelt between his thighs and worked the back of the plastic and the diaper down just far enough to bare his ass, leaving the front snug over his cock. She slicked the strap, pressed two fingers into him first, patient, opening him while he gasped. Paulina climbed up and straddled his chest, then higher, until her cunt hovered over his mouth.

"Eat me while she fucks you," Paulina said. "Tap my thigh twice for air or for red. Otherwise that tongue works. Understood?"

"Understood," he said, and she sat.

Her weight settled, hot and already wet, and he groaned into her as Chloe's strap pushed past the first resistance and filled him. The stretch burned, then bloomed. Chloe fucked him in long, deep strokes, missionary, one hand braced by his ribs, the other rubbing the front of his diaper in mean little circles. Paulina rocked on his tongue, grinding her clit to his nose when she wanted pressure. The plastic crinkled every time his hips jumped. Heat built under the dry front of the diaper, a trapped ache, while her strap opened him deeper and Paulina's taste filled his mouth. He sucked at her like he had been starving for it.

"That's it," Chloe said, low and filthy. "Take it. Diapered like a helpless sissy slut, creaming a fresh pad while my wife uses your face. You love this. You've been waiting for someone who didn't have to be paid."

He moaned into Paulina and nodded as well as he could. His hips jerked to meet the strap. Every thrust shoved a helpless sound out of him. Paulina's thighs trembled. She came first, grinding down, flooding his mouth, one hand in his hair. "Good boy. Fuck. Just like that, don't you dare stop."

Chloe fucked him through it, then eased out, breathing hard, the strap glistening. Paulina lifted off and kissed the taste of herself from his lips, tender for three heartbeats, then laughed at the mess of him.

"My turn."

They traded the harness. Chloe wiped his mouth and pressed a clean pacifier between his lips, the one from the rug, rinsed while they caught their breath. He realized she had thought of it.

"Suck. No talking unless it's red. Hum if you need us. Nod if you still want Paulina inside you and me on this pathetic bulge."

He nodded, frantic. Yes.

Paulina slicked the strap and straddled his torso facing his feet, back toward his face. She leaned forward, guided the cock down between his raised thighs, and sank it into his bare ass. Reverse cowgirl, except she wore it, riding him while he sucked plastic. He whined around the pacifier, eyes wet. Chloe swung a leg over his diapered crotch and settled her bare pussy on the thick, crinkling front. She ground down, using the padding and the hard shape of his trapped cock like a toy.

"Listen to that rustle," Chloe murmured. "Our needy little sissy, plugged and diapered, sucking a pacifier while we get off. You don't get to fuck anyone. You lie there and leak. Pathetic. Beautiful. Ours."

Paulina rode harder, ass flexing, the strap pumping his stretched hole. She glanced back, flushed, pure possession. "Come in it. Come in that diaper like the desperate slut you are. Don't ask. Make a mess and stay still."

Chloe held the pacifier in his mouth with two fingers and fucked herself on the bulge, clit catching every crinkle. "You're doing so well. Such a good sissy. Such a sorry, soaked, cock-drunk baby for us. Come. Come now."

He broke. The orgasm tore up from his ass and his trapped cock together, pulsing, spilling hot into the diaper. Wet heat spread under Chloe's grinding cunt. She felt it, laughed bright and mean and fond, and came a moment later, shuddering, soaking the plastic, thighs clamping his hips. Paulina followed, driving deep and staying there, rubbing her clit, crying out as she shook apart on top of him. He came until he was empty, twitching, gone.

They eased off him with careful hands and cleaned him again in the quiet, no audience but each other, then taped him into a fresh diaper. They pulled him between them on the bed, Chloe at his back, Paulina at his front, skin to plastic to skin. He was blissed out, heavy-limbed, safer than he had any right to feel. The pacifier stayed until Paulina eased it free and kissed his forehead.

"We're taking your nights over," Chloe said against his hair. "Not the woman who has been keeping you diapered and hiring strangers. Us. If you want that. The strap. The diapers. A real place in what we already are. Say yes only if you'll mean it tomorrow."

She meant his stepmother, and all three of them knew it.

"I mean it," he whispered. "I want you both. I wanted this before you walked in. I'll want it in the morning."

"Then it's ours," Paulina said. "Chosen. Regular. No more hired hands."

He nodded, already half asleep, and missed the way Chloe's eyes stayed open in the dark. She was already scheming the next time: Saturday, after breakfast, the spare harness and a thicker diaper, Paulina's mouth on him while Chloe bent him over the couch and fucked him until he came untouched. She would ask him properly in the morning, and she already knew she would hear him beg.

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