Birthday Party

by: Mellow Sadistic | Complete Story | Last updated Jul 15, 2024


Chapter 3

One Year Later

Sarah’s soaking wet diaper squelched between her thighs as she toddled into the kitchen where her aunt was making breakfast.

“Good morning, baby girl,” Helen cooed at her twenty-one-year-old niece, reaching out to cup a hand to the front of Sarah’s nappy through her baby duck patterned onesie. “What a soggy girl! But I don’t smell any poo-poos just yet. Go take a seat, little one. Auntie will have your num-nums ready in just a second.”

Sarah blushed furiously, but even though much of the hypnotist’s conditioning had been undone and control of her body had been returned, her resistance had long since disappeared. She clambered obediently into to her highchair, her breasts wobbling freely in her loose onesie, and sat down on her pissy diapered bottom, wrinkling her nose in disgust as her bum pressed heavily against the sodden padding.

A few moments later, the microwave tinged, and her aunt took out an enormous bottle of warm milk and plonked it down in front of her. Sarah looked at it with distaste. It was breastmilk, she knew. One of Helen’s friends was producing too much of it for her own baby to take, but she was more than happy to deliver a regular supply of bottles to Helen’s house to make sure it didn’t go to waste.

Fighting her revulsion, Sarah took the bottle with both hands and lifted the rubber nipple to her lips. Her mouth latched on instinctively and she began to suckle, feeling the warm, creamy breastmilk squirt across her tongue and flow down her throat. She sucked quickly, but the bottle seemed endless – even after fifteen minutes, she was barely halfway through the enormous thing, and she already felt full to bursting!

Sarah let out a feeble whimper as she thought about her once-tight, sexy tummy. Her mother and aunt were careful not to make her gain too much weight, but her formerly trim stomach was gone. Her belly had a cute layer of what Helen called her ‘baby fat’, perfect for tickles and tummy raspberries. Even her face had a slightly rounder, ‘cuter’ look to it. But Sarah knew better than to throw a fit over her baba. Her aunt was quick with a spanking, and looming over everything was the threat of being reduced back to being a helpless prisoner inside a baby-brained body.

After a few more minutes of mindless suckling, Penny joined Sarah at the table, flashing her babified older cousin a bright smile before tucking into a bowl of cereal with milk.

Sarah couldn’t help but notice how her little cousin’s table manners had improved. It wasn’t long ago that she’d ended every breakfast with soggy cornflakes and milk on her chin, but now she didn’t spill a drop. Straight away, Sarah felt something clunk into place inside her head. She let out a quiet little moan around her bottle, but there was nothing she could do – not all of the hypnosis had been removed, and when a compulsion hit her, she was powerless to stop it. Penny had done something mature, and that meant Sarah had to do something immature.

Immediately, she popped the bottle out of her mouth, blew a spit bubble, and dribbled breastmilk down her chin. She could feel it soaking into the collar of her onesie. Messy girl, a voice echoed in her head. Mucky tot. Dribbly, soggy, wet little baby. Penny giggled at her, and Sarah shoved her bottle back into her mouth to resume her sucking, her face as red as a tomato. No matter how much time passed, it never got less humiliating. She was a grown woman for goodness sake! She didn’t deserve this! Just because she’d been a little rude one time, it wasn’t fair to turn her into some kind of overgrown baby! She’d been taken out of university of course, and there was no chance of going back – her auntie said that if she was lucky, maybe one day she’d be allowed to grow up a little bit more and get a job pushing shopping trolleys at the local discount supermarket. But that was it. No more ambitions. No more dreams. Just minimum wage, and well-used nappies hanging off her hips.

Tears started welling up in Sarah’s eyes, but before a tantrum could really get started, she was distracted by another feeling. There was a sudden fullness in her bottom. Her bladder control was totally gone, and Sarah found herself helplessly dribbling pee-pee into her diapers on a near constant basis, but even after months as little more than an adult-sized toddler, she still had at least some control over her bowels.

With a hiss of air, she finished her bottle. Feeling almost nauseous at the amount of breastmilk now sloshing about in her tummy, Sarah gently lowered herself out of her highchair, clenching her bottom tightly.

“Um… Auntie…” she said, waddling up to Helen and putting on her best pleading look, “I really need to go poo-poo. Do you think maybe I could use the potty?”

“Sarah,” Helen said sternly, turning to look at her niece, “you know the rules. You get to have control over your body again, but you are not an adult anymore. Your mother convinced me not to make you act like a total baby all the time, but when it comes to your potty training, I’m putting my foot down. You will never use a toilet again, young lady. You wear nappies now, and nappies are for pooping in. Now squat down and make a messy in your pants right this instant, or I’ll call the hypnotist and have you cooing and gurgling in your crib by tomorrow!”

Her lower lib trembling pathetically, Sarah fell into a squat, all traces of the formerly proud, snarky young woman gone for good. With a loud fart, she started pooping her diaper. She could sense the smiles of her aunt and cousin above her as she grunted and strained to make yuck-yuck in her pants right in front of them. As the heavy, disgusting load dropped into the back of her nappy, Sarah burst into tears.

“That’s a good girl,” Helen cooed, her face alive with malicious delight, savouring the sight of her niece packing her adult Pampers like the ridiculous baby-woman she’d been turned into. “Get it all out. Right in your pants like a silly little baby.”

Sarah’s vision was blurred by her tears, but she felt her aunt take hold of her hand once she’d finished pooping. Helen led her into the living room and positioned her in front of the television, where some inane children’s program was showing.

“Be a good girl and watch your kiddie shows, Sarah,” said Helen, smirking. “I need to take your older cousin to kindergarten now, so I want you to stay right here. I’ll change your diaper when I get back.”

Sarah only sobbed.

“And your baby monitor will be recording,” Helen went on. Sarah felt her stomach plummet. “I’ll be reviewing the footage later,” her aunt continued warningly, “and if I don’t see a happy big baby girl dancing along to her silly programs, you’ll be getting a very nasty spanking when I get back. Is that clear, little miss?”

“Yes, auntie Helen,” Sarah whimpered, as the embarrassing, babyish music began to play. Helen and her daughter turned to leave, and Sarah started to dance. This was her life now, and she had no choice but to get used to it.

The End

 


 

End Chapter 3

Birthday Party

by: Mellow Sadistic | Complete Story | Last updated Jul 15, 2024

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