Lauren settles in for the night, and Vanessa makes her grand return

As evening approached, Lauren finally **** herself to change her soaked diaper. The padding had grown cold and uncomfortable, chafing against her skin with every movement. She winced as she peeled the tapes off, the wet material sagging heavily as she lowered it from her body.

"Disgusting," she muttered, quickly wrapping it up and shoving it into her already overflowing trash bin.

The cool air against her bare skin made her shiver as she grabbed a fresh diaper from the box. It felt so wrong to be doing this while fully awake, fully conscious of what she was doing. At least at night she could pretend it was just a precaution, something she might not even need. But after today, there was no denying the truth anymore.

She positioned the fresh diaper beneath her and fastened the tapes, adjusting it until it fit snugly around her hips. The colorful cartoon characters stared back at her mockingly. Lauren couldn't even bring herself to put on pajama bottoms. What was the point? She'd just have to take them off again when she inevitably soaked herself.

Too exhausted to care about modesty, Lauren pulled off her shirt as well, not bothering with a pajama top. She was alone in the house, after all. No one would see her flat chest, her childish diaper, her complete humiliation. She crawled under the covers, curling into a ball and hugging her pillow tight against her chest.

Sleep came surprisingly quickly, perhaps because her body was exhausted from the emotional toll of the day. For once, her dreams weren't filled with anxiety or embarrassment. Instead, they were strangely peaceful, comforting even.

Vanessa slipped into Lauren's room shortly after midnight, moving silently across the floor. She paused at the edge of the bed, studying her sister's sleeping form. Lauren had kicked off most of the covers, leaving her lying there in nothing but her diaper, her small breasts exposed to the cool night air.

"Look at you," Vanessa whispered, barely audible. "You're already halfway there, aren't you? My good little girl."

She reached out and gently stroked Lauren's hair, watching as her sister unconsciously leaned into the touch. It was strange seeing Lauren like this – ****, childlike, so different from the cruel tormentor who had made her life hell for years.

"I bet you're full of pee after all those drinks today," Vanessa murmured. "Must be so uncomfortable trying to hold it all in. Why don't you just let go? That's what your diaper is for, isn't it?"

Lauren's face scrunched up slightly, her body tensing as if fighting against itself.

"Shh, it's okay," Vanessa continued, her voice honey-sweet. "You don't have to pretend to be a big girl anymore. Not with me. I know what you are now."

She watched as Lauren's expression gradually relaxed, her body going limp against the mattress. A soft hissing sound filled the room as the front of Lauren's diaper began to darken, expanding as it absorbed the flood.

"That's my good girl," Vanessa praised, unable to keep the satisfaction from her voice. "Such a good baby, using your diaper just like you're supposed to. I'm so proud of you."

Lauren smiled in her sleep, a peaceful expression Vanessa hadn't seen on her face in years.

"I'll be back tomorrow," Vanessa whispered, leaning close to Lauren's ear. "And then you won't have to keep pretending anymore. No more hiding who you really are."

She produced a bottle filled with more of the diuretic mixture, gently lifting Lauren's head and pressing the nipple to her lips. In her sleep, Lauren latched on instinctively, suckling at the bottle like an infant. Vanessa watched as she drained it completely, making small contented noises as she drank.

"Sleep tight, baby sister," Vanessa murmured, setting the empty bottle aside. "Tomorrow's going to be a big day."

She slipped out as quietly as she had entered, already planning her dramatic "return" in the morning. Everything was falling perfectly into place.

Lauren woke to sunlight streaming through her window and the familiar heavy, wet sensation between her legs. Her diaper was completely soaked, sagging between her thighs with the weight of her accident. She sighed, no longer surprised but still defeated.

"Again," she whispered, staring up at the ceiling. "Of course."

She pushed herself up, swinging her legs over the side of the bed. The wet diaper squished beneath her, reminding her of her shameful condition. Lauren didn't even bother covering herself as she stood. What was the point? No one was here to see her anyway.

She peeled off the soaked diaper, letting it drop to the floor with a wet plop. The cool air against her damp skin made her shiver as she reached for the box of fresh diapers. She pulled one out, unfolding it on the bed and sitting down on top of it.

Lauren had just pulled the front up between her legs and was fumbling with the tapes when her bedroom door suddenly burst open.

"Lauren! There better be a real problem because you've made me worried sick by not answering your—"

The words died on Vanessa's lips as she took in the scene before her. Lauren froze, her hands still holding the tapes of her diaper, her small, flat chest fully exposed. Time seemed to stand still as they stared at each other.

The shock of her sister's sudden appearance sent a jolt through Lauren's body. She felt a familiar pressure in her bladder, and before she could clench her muscles to stop it, warmth flooded between her legs. The diaper, not yet properly secured, absorbed some of the flow, but much of it leaked out the sides, running down her thighs and pooling on the bed beneath her.

"No, no, no," Lauren gasped, her face burning with humiliation. She couldn't even look at Vanessa. Her little sister had just caught her not only wearing a diaper but actively wetting herself like a toddler. And without her padded bra, without her enhancements, Vanessa could see her for what she truly was – flat-chested, childish, pathetic.

"GET OUT!" Lauren screamed, grabbing her blanket and trying to cover herself. "GET OUT RIGHT NOW!"

Vanessa didn't move. She just stood there, her expression unreadable as Lauren continued to panic.

"Please," Lauren whispered, her voice breaking. Tears welled up in her eyes, spilling over and streaming down her cheeks. "Please just go."

The room fell silent except for the soft patter of urine still dripping onto the floor. Lauren kept her eyes fixed on her lap, unable to bear the thought of meeting Vanessa's gaze. She wanted to disappear, to sink into the floor and cease to exist. Anything would be better than this moment.

To her surprise, instead of leaving, Vanessa approached the bed. Before Lauren could protest, her sister's arms wrapped around her, pulling her into a tight hug. Lauren's face pressed against Vanessa's chest as gentle hands rubbed soothing circles on her back.

"It's okay," Vanessa murmured. "It's going to be okay."

Something inside Lauren broke. The dam she'd built to hold back her emotions crumbled completely, and she began to sob uncontrollably. Her entire body shook with the **** of her cries as years of pent-up feelings poured out all at once. Vanessa just held her, rocking gently back and forth, not saying a word.

They stayed like that for what felt like hours, Lauren crying until she had no tears left, Vanessa patiently holding her through it all. When the sobs finally subsided into hiccups and sniffles, Vanessa pulled back just enough to look at her.

"You can tell me everything in a bit," she said softly. "But first, let's get you cleaned up, okay? And take care of this mess."

Lauren nodded weakly, too exhausted to argue. She let Vanessa guide her to stand up, wincing as the half-fastened diaper slipped down her legs, landing with a wet splat on the floor.

"Looks like we need to start from scratch," Vanessa said, a hint of teasing in her voice that made Lauren's cheeks burn anew.

Vanessa grabbed a fresh diaper from the box and motioned for Lauren to lie down on a dry part of the bed. Too defeated to protest, Lauren complied, covering her small breasts with her arms as she lay back.

"Arms at your sides," Vanessa instructed. "I need to see what I'm doing."

Reluctantly, Lauren obeyed, squeezing her eyes shut to avoid seeing the judgment in her sister's eyes. She felt Vanessa gently lifting her legs, sliding the diaper underneath her.

"Oh, Lauren," Vanessa's voice was softer now, concerned. "You've got diaper rash. Didn't you notice?"

Lauren's eyes flew open. "What? No, I didn't—" She tried to sit up to look, but Vanessa gently pushed her back down.

"Stay still. It looks painful. Do you have any cream?"

Lauren shook her head, mortification burning through her anew. Not only was she wearing diapers and wetting herself, but now she had diaper rash like an actual baby.

As Vanessa continued preparing the diaper, her eyes drifted to Lauren's chest. "And where did your tits go? I thought you were like a D-cup."

Lauren wanted to die. Of course Vanessa would notice that too. "They're... they're fake," she admitted in a small voice. "Padded bras and silicone inserts."

"Huh," Vanessa said, fastening the tapes on the fresh diaper. "Well, that explains a lot."

Once the diaper was secure, Vanessa helped Lauren sit up. "There. That should hold for now, but we really need to get some cream for that rash."

Lauren pulled her knees to her chest, wrapping her arms around them. She couldn't bring herself to look at Vanessa. "Why are you here?" she asked, her voice barely audible.

"You stopped answering my calls and texts," Vanessa said, sitting down beside her. "I got worried. Thought something might have happened to you."

"So you just... came home?" Her sister had worried about her that much? Cared enough that she left a month long vacation after a little more than a week?

“Of course,” Vanessa said as if it was the most obvious thing in the world. “You’re my sister, and I didn’t know what might’ve happened, but you sounded distressed before you went all radio silence.” Lauren hated to think it, but she probably wouldn’t have dropped everything to check on Vanessa if their roles were reversed.

Lauren stared at her sister, completely bewildered. This wasn't right. This wasn't how Vanessa was supposed to react. After years of tormenting her, of mocking her and making her life miserable, Lauren had just handed Vanessa the perfect opportunity for ****. She was sitting there in a diaper, flat-chested and pathetic, literally wetting herself in front of her sister.

Vanessa should be laughing at her. Should be taking pictures, threatening to show everyone, calling her names. Not... helping her. Not fastening her diaper with gentle hands and looking at her with concern.

"How long has this been going on?" Vanessa asked, her voice soft as she sat beside Lauren on the bed.

Lauren wrapped her arms tighter around herself, shame burning through her entire body. "It started the day you all left," she admitted, her voice barely audible. "The bedwetting, I mean. I thought it was just because I'd been drinking, but then it happened again the next night. And the next."

"And the daytime accidents?"

Lauren's face burned hotter. "Two days ago. It came out of nowhere. One minute I was fine, the next..." She shook her head, unable to finish the sentence. "Yesterday it happened three times before I finally gave up and put on a diaper."

Vanessa nodded, no judgment visible on her face. "That must have been really scary."

Lauren blinked back tears. Why was Vanessa being so understanding? It made no sense. "I don't know what's wrong with me," she whispered. "I can't control it. It just... happens."

"We'll figure it out," Vanessa said, squeezing her hand. "I'm here now. I'll help you get through this."

Lauren pulled her hand away. "Why are you being nice to me? After everything I've done to you?"

"Because you're my sister," Vanessa said simply. "And you need help."

The kindness felt worse than mockery would have. Lauren didn't deserve it. Not after years of being cruel to Vanessa, of humiliating her at every opportunity. The guilt crashed over her in waves, making her throat tight.

"Come on," Vanessa said, standing up. "Let's get this mess cleaned up. We should probably start with your sheets."

Lauren watched as Vanessa stripped the wet bedding, revealing the mattress beneath.

"Lauren, this is... are you sure this has only been happening for a week?"

The mattress was stained yellow all over, dark in some places and lighter in others, but unmistakably discolored from repeated soakings.

"Yes," Lauren said defensively. "It's just... some days it happened more than once, and I didn't always clean it right away."

Vanessa raised an eyebrow. "You're telling me this all happened in just one week?"

Lauren nodded miserably. "I know it looks bad."

"It looks like you've been wetting the bed for months," Vanessa said bluntly.

"Well, I haven't been," Lauren snapped, then immediately regretted her tone. She had no right to be angry at Vanessa, not when her sister was helping her. "Sorry," she mumbled.

Vanessa shrugged. "It's fine. But you know, this reminds me of something." She paused, looking Lauren directly in the eye. "Remember when I was eleven and started wetting the bed?"

Lauren's stomach dropped. She remembered. She remembered all too well.

"You told everyone at school," Vanessa continued, her voice even. "You put plastic sheets on my bed and left them out where my friends could see when they came over. For months, You made fun of me for having to sleep in pullups, teased me every time a frowny face ended up on my wetting calendar, kept taunting me that I’d start having accidents during the day and that I’d end up back in diapers permanently.”

"I'm sorry," Lauren whispered, guilt washing over her. "I was awful to you."

"Yeah, you were," Vanessa agreed, but there was no real heat in her voice. "Karma's a bitch, isn't it?"

Lauren nodded, unable to speak around the lump in her throat.

"You know, if I were more like you, I'd be calling you 'Leaky Lauren' right about now. Or maybe 'Little Lauren Leaks a Lot.'"

"Please don't," Lauren begged, tears welling in her eyes at just the suggestion. The thought of Vanessa using those names, of other people finding out about her condition, was unbearable.

"Relax, I'm not going to," Vanessa said. "But I bet Polly feels the same way about the nickname you gave her.”

Lauren flinched. The guilt hit Lauren like a physical blow. She'd never cared about how Polly might have felt, had never cared before about the humiliation she'd caused. "Peepee Polly," she whispered, wiping at her eyes. "I won't call her that anymore. I promise."

"Good," Vanessa said firmly. "Now, we need to clean up this disaster zone. When was the last time you threw out your used diapers or washed your soiled clothes? It smells like a nursing home in here."

Lauren glanced at the overflowing trash bin in the corner, the pile of wet clothes she'd been too ashamed to deal with. "I... I haven't," she admitted. “I… I didn’t know what to do with them.” Her face burned hot admitting it.

"We're going to take care of that right now," Vanessa declared. "And then we're going to the store to get you some diaper rash cream."

Lauren's heart sank. "The store? No, I can't go out like this. What if I have an accident?"

"You're already wearing protection," Vanessa pointed out reasonably. "And if you need a change, I'll bring extras.”

"But what if someone sees me?" Lauren protested.

"In a diaper? They won't, unless you plan on walking around the store like that." Vanessa gestured to Lauren's current state of undress.

"But people might notice," Lauren protested. "The crinkling, or the bulge, or—"

"Lauren, no one is going to notice if you're wearing a diaper under your clothes," Vanessa said firmly. "And even if they did, so what? Lots of people have bladder issues. It's not the end of the world."

It felt like the end of the world to Lauren. But Vanessa's logic was hard to argue with.

"Fine," she conceded. "But I need to get ready first."

Vanessa helped her to her feet. "Go ahead. I'll bag up these sheets and start dealing with your trash and laundry situation."

Lauren shuffled to her drawers, her diaper crinkling as she walked. She pulled out her enhancements. She might have lost control of her bladder, but she refused to let anyone else see her flat chest too. She started to grab a t-shirt and jeans until Vanessa chimed in that a loose-fitting dress might be better for her first excursion out since she started wetting, in case she needed changing.

Twenty minutes later, fully made up with her fake breasts in place, Lauren felt marginally more like herself.

Vanessa was waiting by the front door, car keys in hand. "Ready?"

Lauren nodded, though her heart was racing. The thought of going out in public while diapered made her want to crawl under a rock and disappear.