@CouleDaddy: //CW: diapers, semi forced age...
@CouleDaddy
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Jun 30, 2026
1
//CW: diapers, semi forced age reg, soft humiliation
Big sister fiercely protecting your virginity, against yourself if she has to, by ruining your potty training and slowly leading you to rely on her and comfy crinkly diapers for all your emotional and physical comfort needs.
Big sister fiercely protecting your virginity, against yourself if she has to, by ruining your potty training and slowly leading you to rely on her and comfy crinkly diapers for all your emotional and physical comfort needs.
2
You'd been spending more and more time away.
Asking, begging and demanding for later and later curfews, dressing up provocatively.
Your big sis says she misses you. You love her, she's great, but you need independance.
It's embarassing to still be a virgin at your age!
Asking, begging and demanding for later and later curfews, dressing up provocatively.
Your big sis says she misses you. You love her, she's great, but you need independance.
It's embarassing to still be a virgin at your age!
3
You never suspect the playlists she regularly sends you.
Your big sis is the coolest, she knows the best bands, and loves to share her finds with you. You're so lucky.
Sure after a listen you're a little hyper, clingy and bouncing off the walls but that's just vibing!
Your big sis is the coolest, she knows the best bands, and loves to share her finds with you. You're so lucky.
Sure after a listen you're a little hyper, clingy and bouncing off the walls but that's just vibing!
4
One day, after falling asleep with your headphones on, you wake up in a cold wet bed. Bedwetting accident.
God this is so embarrassing! No one can know.
You shove your sheets and clothes at the bottom of the laundry basket. You shower compulsively.
You got away with it!
God this is so embarrassing! No one can know.
You shove your sheets and clothes at the bottom of the laundry basket. You shower compulsively.
You got away with it!
5
It was only a freak accident. It will never happen again. You repeat it over and over again.
Your big sis, sensing your distress is extra nice to you that day.
She hugs you tight after school, hinting that you can always come to her with your troubles, but doesn't press it.
Your big sis, sensing your distress is extra nice to you that day.
She hugs you tight after school, hinting that you can always come to her with your troubles, but doesn't press it.
6
You're grateful. That night after dinner, she makes your favorite hot chocolate. Her special recipe.
You talk, you laugh. She puts on a silly movie. One that always cheers you up. You rest your head on her shoulder. She ruffles your hair. It'd been a while you felt so close.
You talk, you laugh. She puts on a silly movie. One that always cheers you up. You rest your head on her shoulder. She ruffles your hair. It'd been a while you felt so close.
7
You wake up dry. Ok just a freak accident. Case closed.
Except a week later, wet again. Oh no so embarrassing!
You shamefully attempt to sneak your dirty laundry out, but stumble on your big sis in the hallway.
You look so ridiculous. You want to cry.
"It's okay" she whispers
Except a week later, wet again. Oh no so embarrassing!
You shamefully attempt to sneak your dirty laundry out, but stumble on your big sis in the hallway.
You look so ridiculous. You want to cry.
"It's okay" she whispers
8
She picks your soiled sheets and pjs from your unresisting hands, and directs you towards the bathroom. "Wash up. I'll take care of it."
"Sorry..." you mumble.
She winks at you. "It's okay. What's a big sis for?"
When you come out of the shower, your bed is made.
"Sorry..." you mumble.
She winks at you. "It's okay. What's a big sis for?"
When you come out of the shower, your bed is made.
9
That silent show of support makes you feel so loved.
You do your best to show your gratitude in small gestures, bringing her favorite flowers back from the forest. She puts them in a vase on the dinner table.
She loves to show her skills. You ask her to teach you how to cook.
You do your best to show your gratitude in small gestures, bringing her favorite flowers back from the forest. She puts them in a vase on the dinner table.
She loves to show her skills. You ask her to teach you how to cook.
10
It's kinda nice when she's behind you, head on your shoulder and guides your hand to show you how it's done.
You keep having accidents. 2/3 times a month. Big sis takes over the laundry.
Once you come back from the shower to find a crinkly protective sheet on your bed.
You keep having accidents. 2/3 times a month. Big sis takes over the laundry.
Once you come back from the shower to find a crinkly protective sheet on your bed.
11
You blush real bad, but you can't really argue you don't need it. Big sis gives you a hug, and hands you a USB key with her latest playlist. Punkish elecronic music, super catchy. You fall asleep vibing to it.
Bedtime becomes stressful for you. You hate waking up wet.
Bedtime becomes stressful for you. You hate waking up wet.
12
Your sleep quality degrades.
You're grumpy, constantly worried about your next accident. People at school start to notice, asking you what's wrong? You can't tell anyone.
After two wet nights in a row, big sis finally broaches the subject of 'protection'.
You balk!
You're grumpy, constantly worried about your next accident. People at school start to notice, asking you what's wrong? You can't tell anyone.
After two wet nights in a row, big sis finally broaches the subject of 'protection'.
You balk!
13
"No, I'm not wearing diapers! I'm not a baby. I don't even wet that often!"
She sighs but stays firm. "Look kiddo... you can't go on like this. You need a full night's sleep, and it's too much laundry for me. Just try it for a few days, and we'll see where we go from there."
She sighs but stays firm. "Look kiddo... you can't go on like this. You need a full night's sleep, and it's too much laundry for me. Just try it for a few days, and we'll see where we go from there."
14
She buys a couple of rectangular packs of diapers and hides them in your cupboards.
At bedtime you pick one out. All white, crinkly plastic, thick, two large sticky tabs. Just like a baby diapers, except... plain.
You lay back on your bed and struggle to put it on.
At bedtime you pick one out. All white, crinkly plastic, thick, two large sticky tabs. Just like a baby diapers, except... plain.
You lay back on your bed and struggle to put it on.
15
You're so stressed by the situation, you make a mess of things, attaching the sticky tabs in random spots.
"Bbbi... big sis?" you timidly ask through the door, mortified to be such a failure. Can't even put on your own diapers right.
She shuffles in. "I'm here. Relax kiddo."
"Bbbi... big sis?" you timidly ask through the door, mortified to be such a failure. Can't even put on your own diapers right.
She shuffles in. "I'm here. Relax kiddo."
16
You look fixedly at the ceiling, laying on your back, naked from the waist down in front of your big sister.
It's so humiliating. You're very much not a baby anymore down there. Your body reacts on his own to her stare with shameful arousal.
Big sis pretends not to notice.
It's so humiliating. You're very much not a baby anymore down there. Your body reacts on his own to her stare with shameful arousal.
Big sis pretends not to notice.
17
Whistling under her breath, as if she was doing the most routine of chores, she quickly and expertly fixes your mess.
She pulls both wings of the diaper tight against your waist, adjusts the tabs on the landing strips, thumbs the leak guards up, and pats the seat twice.
She pulls both wings of the diaper tight against your waist, adjusts the tabs on the landing strips, thumbs the leak guards up, and pats the seat twice.
18
The squishy warm padding closes on you, sealing your pulsating shameful arousal in.
The fit is perfect, at your waist and around your legs. You can walk, twist, turn, without any fear of it falling down.
The sensation of not being able to fully close your legs is strange.
The fit is perfect, at your waist and around your legs. You can walk, twist, turn, without any fear of it falling down.
The sensation of not being able to fully close your legs is strange.
19
Big sis slides on your pjs over the diaper. The fit of the pants is a little tight, your butt feels huge.
A forehead kiss and she shuts off the light.
You want to 'deal' with your arousal before sleeping, but can't reach inside your perfectly taped diaper without opening it up.
A forehead kiss and she shuts off the light.
You want to 'deal' with your arousal before sleeping, but can't reach inside your perfectly taped diaper without opening it up.
20
You're pretty sure you wouldn't be able to put it back on if you messed with it.
You toss and turn for a while before streaming your big sis's calmest atmospheric synth playlist on your speaker. The one that always makes you feel soft, floaty and dreamy.
You doze off.
You toss and turn for a while before streaming your big sis's calmest atmospheric synth playlist on your speaker. The one that always makes you feel soft, floaty and dreamy.
You doze off.
21
In the morning your bed is dry, but your diaper is soaked.
It's gross, squishy, disgusting, clammy, all yellowy and even stinky. You squish your nose in disgust... but you can't deny you slept better than you have in weeks!
You're full of energy and hyped for the day!
It's gross, squishy, disgusting, clammy, all yellowy and even stinky. You squish your nose in disgust... but you can't deny you slept better than you have in weeks!
You're full of energy and hyped for the day!
22
You rush to the bathroom. A special sealed trash container that wasn't there yesterday is waiting for you.
After your shower, big sis is waiting for you in the kitchen with a special breakfast, no questions, or accusations.
You love her so much. You give her a silent hug.
After your shower, big sis is waiting for you in the kitchen with a special breakfast, no questions, or accusations.
You love her so much. You give her a silent hug.
23
This becomes your routine. Every night you lay on your bed for your big sis to diaper you.
Every morning, wet or not, you rush to the bathroom, shower and come out dressed for the day.
Everyone at school notices the improvement in your mood and energy.
You did need diapers.
Every morning, wet or not, you rush to the bathroom, shower and come out dressed for the day.
Everyone at school notices the improvement in your mood and energy.
You did need diapers.
24
The only super embarrassing part is how much your body reacts to your diaper changes. So mortifying.
Your big sis gently pretends not to notice, and you're grateful, but she doesn't help.
Oiling up between your legs to prevent rashes. Squishing the front to check for leaks.
Your big sis gently pretends not to notice, and you're grateful, but she doesn't help.
Oiling up between your legs to prevent rashes. Squishing the front to check for leaks.
25
Every night she seals you in your squishy padding, while you pant a little harder, that naughty thing between your legs pulsating more intensely, with no way for relief.
Can't reach in, and rubbing through only makes you hornier.
The diaper is just too frustrating!
Can't reach in, and rubbing through only makes you hornier.
The diaper is just too frustrating!
26
The only way to fall asleep is to listen to your sister’s playlists.
She makes more of them, anytime you ask, flattered to be able to connect with you through art.
Meditative space exploration, howly winter wind, cheery jazzy piano club… whatever theme, she’ll provide.
She makes more of them, anytime you ask, flattered to be able to connect with you through art.
Meditative space exploration, howly winter wind, cheery jazzy piano club… whatever theme, she’ll provide.
27
You get such incredible vivid dreams these days! Waking up with your head full of inspiring crazy visuals.
You get back into creative hobbies you’d dropped as too childish.
Painting, colouring, collage, scribbling stories in your notebook by flashlight til you fall asleep...
You get back into creative hobbies you’d dropped as too childish.
Painting, colouring, collage, scribbling stories in your notebook by flashlight til you fall asleep...
28
Big sis can't wait for your new productions. Gushing over your art, displaying it proudly on the fridge for all to see.
At first, you're embarrassed, cause in your mind your stuff can't be that good, you're just messing around...
But big sis is sincere in her admiration!
At first, you're embarrassed, cause in your mind your stuff can't be that good, you're just messing around...
But big sis is sincere in her admiration!
29
After taking you on her knees one evening, she finally makes you realize that you don't have to be perfect at anything, just be yourself, and sincere, and your art will matter, always!
Now you can't wait to show her your next work, rushing down with glee every time you're done.
Now you can't wait to show her your next work, rushing down with glee every time you're done.
30
One Saturday morning, after falling asleep late coming up with a space ballet dancer story and vibing to your sister's music, instead of waking up at dawn to rush and shower off your bedwetting, you can't be bothered to get out of bed.
Sure, diaper is wet... but bed so comfy!
Sure, diaper is wet... but bed so comfy!
31
You try not to think how much squishier and heavier the diaper has become since last night.
Your comforter is just the right temperature and texture for maximum comfort. Your pillow cloudily cushiony around your head.
Hours later an irresistible smell of pancakes drifts in.
Your comforter is just the right temperature and texture for maximum comfort. Your pillow cloudily cushiony around your head.
Hours later an irresistible smell of pancakes drifts in.
32
The fragrance bypasses any rational mechanisms from your brain, and directly hits your empty stomach.
You're starving.
You're torn. You're grossed out by the wet diaper between your legs, but you're so hungry right now. Even a seconds delay would be too much!
The pancakes win.
You're starving.
You're torn. You're grossed out by the wet diaper between your legs, but you're so hungry right now. Even a seconds delay would be too much!
The pancakes win.
33
You waddle down to the kitchen, a little embarrassed by the heavy weight between your legs, by the clammy moist contact of the padding against your genitals.
the diaper is held by your pjs, but bounces a little with each steps from the added weight.
"There you are sleepy head."
the diaper is held by your pjs, but bounces a little with each steps from the added weight.
"There you are sleepy head."
34
As always big sis would never do anything to make you feel embarrassed. She doesn't even mention how ridiculous you must look with your crotch so puffy.
She just kisses the top of your head, while you silently hug her.
"How about we have ourselves a tv breakfast?"
She just kisses the top of your head, while you silently hug her.
"How about we have ourselves a tv breakfast?"
35
You can't even remember the last time the two of you did that!
You munch on pancakes on the couch, drinking your big sis's special cocoa, while a disney movie that you both used to love when you were younger plays.
At first, you just rest your head on her shoulder.
You munch on pancakes on the couch, drinking your big sis's special cocoa, while a disney movie that you both used to love when you were younger plays.
At first, you just rest your head on her shoulder.
36
One thing leads to another, she feels so nice and warm, and comforting, and loving... you end up in a full on siblingy sleepy cuddle pile.
Your head in her lap, your arms around her chest, breathing in and out her lovely cinnamony smell, while she pets you lovingly.
Your head in her lap, your arms around her chest, breathing in and out her lovely cinnamony smell, while she pets you lovingly.
37
She rests one of her hand in your hair, the other on the seat of your diaper, drawing soft circles at the same time.
Your whole body is buzzing with the tingle of absolute delight and relaxation.
You don't even notice how good the diaper squishes make you feel until too late.
Your whole body is buzzing with the tingle of absolute delight and relaxation.
You don't even notice how good the diaper squishes make you feel until too late.
38
That special place between your legs buzzes a little harder with each press, getting you closer...
Your breath quickens. you close your legs around your sister's hands in rhythm.
The way the wet padding hugs your little thing is so intimate, a little gross but so cozy...
Your breath quickens. you close your legs around your sister's hands in rhythm.
The way the wet padding hugs your little thing is so intimate, a little gross but so cozy...
39
You're not even hard or that excited that you can tell. The moistness seems to keep you soft, small and harmless.
But still you cum. Whimpering like a tiny animal petted to perfection.
You feel yourself pulse in the diaper, one, two, three times... with a sigh each time.
But still you cum. Whimpering like a tiny animal petted to perfection.
You feel yourself pulse in the diaper, one, two, three times... with a sigh each time.
40
You're way too relaxed and overloaded with endorphins and cozyness to realize how mortifying the situation is. That will come hours later looking back.
The added slimy moisture is quickly absorbed by your padded panties.
Whole thing is over so quick big sis doesn't even notice.
The added slimy moisture is quickly absorbed by your padded panties.
Whole thing is over so quick big sis doesn't even notice.
41
(Or does she?^^)
Your eyes close on their own, and you fall back to sleep, face down against your sister's squishy thighs.
She manages to catch your mug of cocoa before you drop it. "Careful there. I might have to get you a sippy cup if you start spilling stuff on the couch!"
Your eyes close on their own, and you fall back to sleep, face down against your sister's squishy thighs.
She manages to catch your mug of cocoa before you drop it. "Careful there. I might have to get you a sippy cup if you start spilling stuff on the couch!"
42
You moan something in response, you don't even know what. When you wake up it's almost noon, you're still on the couch, and your diaper is close to overflowing.
Oh gross gross gross!
You rush to the shower, scrubbing yourself raw, before putting on your most mature clothes.
Oh gross gross gross!
You rush to the shower, scrubbing yourself raw, before putting on your most mature clothes.
43
You vow to never keep a diaper on so long.
You're so grateful big sis didn't notice how shamefully your body reacted to her innocent and gentle hugs. She's so nice, so innocent, so smart, so perfect... and she loves you so much.
You wouldn't ever want her to hate you!
You're so grateful big sis didn't notice how shamefully your body reacted to her innocent and gentle hugs. She's so nice, so innocent, so smart, so perfect... and she loves you so much.
You wouldn't ever want her to hate you!
44
But still you can't go back, now the dam is broken. You've figured how to make yourself "feel good" while trapped in a diaper.
You just had to wet it first! (Duh should have figured it out long ago.)
You used to avoid liquids in the evenings, make sure to pee before diapering.
You just had to wet it first! (Duh should have figured it out long ago.)
You used to avoid liquids in the evenings, make sure to pee before diapering.
45
Now you drink a lot, and make sure you need to go before knocking on your sis's door for your nighttime ritual.
You used to hurry her along, now you insist on her taking her time, hinting that some parts of you is not oiled right, that her massaging hands feel relaxing...
You used to hurry her along, now you insist on her taking her time, hinting that some parts of you is not oiled right, that her massaging hands feel relaxing...
46
She sighs in amused annoyance. "I spoil you..."
Whenever she leaves, you focus all your willpower to immediately wet yourself, so you can then squish the now gross padding between your legs, encasing your little pulsating thing in the cozy diaper material, swaying your hips...
Whenever she leaves, you focus all your willpower to immediately wet yourself, so you can then squish the now gross padding between your legs, encasing your little pulsating thing in the cozy diaper material, swaying your hips...
47
Of course you never wake up dry anymore. Big sis just assumes concernedly that your bedwetting is getting worse.
You can't tell her the truth, so you just go along with her version of events.
And well... it's not completely false. You just know it's your fault.
You can't tell her the truth, so you just go along with her version of events.
And well... it's not completely false. You just know it's your fault.
48
If you wake up with a raging need to pee in the middle of the night, or super early, you're just not going to fight that hard to keep control and rush to the bathroom.
Might as well just let it go. You're still grossed out by the sensation of moisture around your crotch.
Might as well just let it go. You're still grossed out by the sensation of moisture around your crotch.
49
The sensation of loss of control is so distressing. You can't help but cling to your big sister that much harder.
You just want her to smile at you, to tell you everything is gonna be okay, to take charge, to tell you you're not gross, a failure, a loser.
Her hugs are so good.
You just want her to smile at you, to tell you everything is gonna be okay, to take charge, to tell you you're not gross, a failure, a loser.
Her hugs are so good.
50
You cancel on your social obligations, and find excuses to have activities with her.
Next sunday, you can't resist the call of pancakes again, drifting into the kitchen, with your thick white medical diapers poofing up your pants.
You're so ashamed you came twice yesterday.
Next sunday, you can't resist the call of pancakes again, drifting into the kitchen, with your thick white medical diapers poofing up your pants.
You're so ashamed you came twice yesterday.
51
You end up cuddling her on the couch, even harder than the first time.
"You like me right?" you ask in a soft voice between pancakes munches.
"You're my favorite person."
A pause.
"You wouldn't hate me right?"
"Never. Never ever ever ever..."
"Cause I love you tons!"
"You like me right?" you ask in a soft voice between pancakes munches.
"You're my favorite person."
A pause.
"You wouldn't hate me right?"
"Never. Never ever ever ever..."
"Cause I love you tons!"
52
The unexplainable magic of your big sis's delightful warmth, smell, loving voice and comforting hands works on you again.
You relax in her care, spreading your legs to give her access to your diaper, pressing your head against her fingers. "That's my best bud. drink you cocoa."
You relax in her care, spreading your legs to give her access to your diaper, pressing your head against her fingers. "That's my best bud. drink you cocoa."
53
All your senses are in heaven.
She starts rubbing your belly, then the squishy seat of your diapers. Your body reacts.
This time you're aware enough to know what's happening.
"Bbi... big sis... I... maybe you shouldn't... I'm sorry" you mumble.
Your big sis looks down.
She starts rubbing your belly, then the squishy seat of your diapers. Your body reacts.
This time you're aware enough to know what's happening.
"Bbi... big sis... I... maybe you shouldn't... I'm sorry" you mumble.
Your big sis looks down.
54
In her eyes there is no judgment, no disgust, no reproach, no distance. Only pure, complete, absolute acceptation.
"Kiddo. It's not your fault you need diapers. It's not your fault your body reacts in unexpected ways. There's nothing wrong with feeling good, within reason."
"Kiddo. It's not your fault you need diapers. It's not your fault your body reacts in unexpected ways. There's nothing wrong with feeling good, within reason."
55
"The last thing I want is for you to be ashamed of yourself. Whatever help you need, I'll always be glad to provide you. You give me back so much love. So you need diapers a little older than others do? Everyone grow up at their own rhythm. Just relax and feel good."
56
You don't even realize you've been rocking your hips in rythm with your big sis's diaper pats.
The sense of unconditional acceptance you read in her eyes, floods you with a wave of relief and love so strong, it's almost even better than an orgasm. "Re... really?"
"Love you!"
The sense of unconditional acceptance you read in her eyes, floods you with a wave of relief and love so strong, it's almost even better than an orgasm. "Re... really?"
"Love you!"
57
You wrap your arms around your big sis chest, pull your face against her belly hard enough that your nose almost hurts, and squeeze your legs around her hand, with a happy whimper of delight.
You cum way harder than you've ever done in your life. before or after diapers.
You cum way harder than you've ever done in your life. before or after diapers.
58
Your little thing is completely soft, completely deflated by the moist padding surrounding it. Five, six, seven pulsations.
Your gooey mess feels strange and different than pee around your crotch, the padding takes a while to absorb it.
Your brain bathes in endorphins.
Your gooey mess feels strange and different than pee around your crotch, the padding takes a while to absorb it.
Your brain bathes in endorphins.
59
You fall back to sleep, your whole body relaxing completely, in a way you've never felt, breathing in and out your sister's sweaty cinnamony smell.
You don't even realize you've knocked your cup to the ground.
"Well... sippy cup on the weekends it is." she laughs.
/// TBC
You don't even realize you've knocked your cup to the ground.
"Well... sippy cup on the weekends it is." she laughs.
/// TBC
60
/// Phew that was fun. I might continue this story, if there is demand. Got a few more ideas.
/// but the thread limit system is just too frustrating 😭
/// enjoying my content? Want to keep me caffeinated so I can write? I take tips.
ko-fi.com/couledaddycorn…
/// but the thread limit system is just too frustrating 😭
/// enjoying my content? Want to keep me caffeinated so I can write? I take tips.
ko-fi.com/couledaddycorn…