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Big sister Chelsea wears diapers Chapter 10


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Tina decided to start putting the diuretics into Chelsea's drinks again which she knew wouldn't take long to start having an effect. She knew she'd have her sister wetting in diapers again like a baby before too long.

On Saturday afternoon Chelsea was sat on the sofa watching her favorite show breaking bad. She suddenly felt a warmth appear around her crotch area, putting her hand down she realised she was wetting herself. She wasn't able to hold back the flow and continued peeing until her bladder completely emptied its contents.

Chelsea was really upset as her bladder gave her absolutely no warning that she even needed to pee. Fortunately she was the only one home so she ran upstairs and changed her clothes, putting on some cute sweatpants and decided it would be best to also put on a diaper. Chelsea went back downstairs and cleaned her accident. Luckily the sofa was leather so the pee cleaned off easily.

By the evening Tina was home. The two sisters sat watching tv together for some time. While they were sat there Chelsea felt a really sudden urge to pee. Tina could see her desperation as she was shaking her legs and shot up from the sofa. As Chelsea stood up her bladder gave out and she relieved herself in her diaper right on the spot. She tried her hardest to not make it obvious what she had done so she continued with walking out of the room and up to the bathroom, but the gasping sound Chelsea had made when standing gave it away to Tina. She was fairly sure she had just witnessed her older sister fill her diaper as she stood up which made her chuckle. That didn't take long reducing her to diapers again Tina thought to herself as she noticed a bit of a diaper bulge through Chelsea's fairly tight sweatpants.

In the bathroom Chelsea pulled down her sweatpants and examined the diaper. She squeezed the crotch of her thick diaper, slowly working her way around to her bum. It was thoroughly soaked from the crotch to about half way up her butt. She couldn't believe how much she had wet it in one go. She knew it needed changing soon to avoid any risk of leaking which would reveal her secret to Tina.

She pulled her sweatpants back up and headed across the hallway to her bedroom. Chelsea then got her school bag and went over to her cupboard. Pulling off the pile of clothes she used to conceal her diapers, she then grabbed a diaper from the bag and put it into her school bag. She also had a plastic bag ready in her school bag.

Chelsea headed back to the bathroom where she lowered her sweatpants and slowly began removing her soggy diaper, making sure she didn't make too much noise when pulling open the 4 tabs. Once she had removed the diaper she rolled it up tightly fastening the tabs to secure it, she then put it in the plastic bag and pushed it to the bottom of her school bag.

Chelsea stood admiring her naked figure in the mirror, she loved the way her bum looked. She thought to herself "why can't I just wear a cute little thong like any other sexy girl my age, why the fuck do I need to wear these stupid adult diapers".

Chelsea soon pulled herself together and set about diapering herself.

She knew she would soon need to buy some more diapers as she was quickly running out now she was back in them full time. She looked at the time and noticed it was only 18:30. Chelsea thought she may as well go and buy her diapers this evening as Walmart would still be open for another few hours.

She headed downstairs where Tina was still sat on the sofa. "did you make it in time or did you pee yourself" laughed Tina. "Shut your mouth you little bitch, i'm heading out now for a bit anyway" replied Chelsea. "where are you going then" "I just need to buy a few things " "If you're going to Walmart make sure you buy yourself some baby diapers" "hahaha you're so funny" replied Chelsea in a sarcastic manner as she walked out of the lounge and headed out the front door.

Chelsea knew her life would be hell if Tina knew she actually did wear diapers, little did she know Tina was fully aware of her sister's secret. Tina was even in control of when Chelsea would need diapers during the day.

Chelsea walked a couple of blocks to get the bus to the Walmart at the far side of town. When she arrived at Walmart she headed straight to the incontinence aisle. She was given a few strange looks as she examined all the different adult diaper brands. There were so many different brands that she didn't know which one's would be best. She had decided that this time she would try a different brand to the tranquility diapers she normally bought as they were a bit expensive.

She bent down to look at some diapers on the bottom shelf, no sooner had she done this and she heard a voice from behind her "is everything alright madam would I be able to help you?" Chelsea looked around to see a pretty girl who was probably a year or two younger than herself stood there smiling at her". "No it's alright i'm just trying to find something for my younger sister" "Ok well if you let me help you, lets see, i'd recommend these. They are for day and nighttime use, are ultra absorbent and they have the four blue tabs to secure them in place. Also they are much cheaper than most of the other brands". Chelsea examined the package, the picture showed them to be slightly blue. "Very thick and super absorbent premium brand" read the packaging.

"These mediums should be the right size" said the assistant. "How do you know I haven't even told you how old my sister is yet?" queried Chelsea

" I know it's embarrasing buying adult diapers but these should fit you" "As I told you before they are not for me they are for my younger sister"

"Look when I came over to see if I could help you were bent down, and your diaper was clearly visible so I know these are for you. Look I can even see your diaper now as your shirts tucked in to your pants". Chelsea looked around in horror as she felt and saw that the plastic waistline of her disposable diaper was fully exposed. She quickly tucked it in and pulled down her shirt. Chelsea couldn't believe what she was going through, she was being given advice on what adult diapers to buy for herself by someone that was younger than her. She fought hard to hold back her tears.

"I know how hard this must be for you but I do see a lot of people your age buying themselves diapers for bedwetting so you're not alone". "Yeah right i've never met anyone else older than about 3 that still wears diapers".

Chelsea headed off to pay for the medium sized package of adult diapers just wanting to get out of the store.

The sales assistant was in shock that she had just seen an attractive girl older than her that still wears diapers day and night. Although she said to Chelsea that she had seen lots of people her age buying diapers, the truth was that she had only ever seen them bought for or by elderly people.

The girl couldn't help but snigger to herself at what she had just witnessed, as she watched Chelsea walk off towards the till. Anyone observent could probably see that Chelsea had a bit of a diaper bulge going on under her sweatpants.

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