[ABDL, Soiling]



"Oh, Koyoi, it's been so long! Why haven't you stopped by? You know your dear Mommy gets so lonely when you don't come by!"



The sweet voice of the maternal fox, Yukimi, echoed through her daughter's ears. And that immediately put the younger girl on guard, as she did her best to try not to look directly at her. She always had to keep her guard up around Yukimi, because otherwise she'd find a way to put her back into diapers. And as much as that seemed like a rather strange worry, it had happened so often that it was a very valid worry.



It also didn't help that Yukimi still dressed like she hadn't aged a day. The same revealingly black dress that showed off her arms was so generously short that it did nothing to hide anything down below, complimented by her extra long braided ponytail that almost looked as prehensile as her actual tail. Combine that with her generous bust, and there was no way that she didn't exude mommy vibes...



As for her daughter, Koyoi, she dressed in a much more conservative fashion. wearing a more traditional garb complete with a sakura-themed coat on top. It was a contrast to her Mother, as well as her aunt who thankfully was still sealed away. In fact, if she hadn't been doing her job as well as she was, she would currently be dealing with said aunt trying to stuff her back in diapers just like her Mother was...



"I was keeping up my work as a Guardian, Mother. You never know when Shimai might try to break out again. The last time she did, you were barely coherent..." Koyoi sighed. She didn't want to remember that moment. She really, really didn't want to remember how she had to play Mommy for once. And she didn't want to remember what happened when her Mother tried to reward her for being such a loyal and helpful daughter.



Yukimi giggled as she stepped closer, all while peering into her adorable white-haired daughter's eyes. "Then why did you come, if you were so busy? Maybe you need a change, is that it? You know I always keep those cute sakura-themed diapers around in case you need a spare or three." She giggled and teased away at her daughter, who immediately blushed as she offered those crinkly and comfy garments.



"No, no no no. That's not it." Koyoi quickly shot down her suggestion, before steeling herself as much as she could. "...I wanted you to take care of Sanagi for me, at least for a few days."



As she heard her name being called out, another cute fox that was barely half the size of her Mom popped out from behind her, smiling as she showed off the cute dress that her Mom had allowed her to pick out. A dress that was perfectly complemented by the jacket that she wore. Honestly, her dress sense was closer to her Grandma's taste compared to her Mom's, especially in terms of the colors that were on display.



"Hi, Grandma Yukimi!" Sanagi giggled, waving to her Mom's Mom. They had met before, but this was one of the first times that Mom let her come by and visit. She still didn't understand why she hadn't been allowed to do it before, but she was really excited!



Yukimi waved to the much smaller fox, before giggling as well while keeping her eyes on Koyoi. Who was already glaring a little at her. "What? You're making it look like I'm planning something awful, Koyoi. You hurt your Mommy lots by doing that, you know?"



"I want you to promise me something, Mother." Koyoi said, and Yukimi nodded in turn. "Don't get her addicted to diapers. That's the one thing I ask. You can do anything else to her, I just want her to learn that she won't be dependent on them."



"Oh, but you're dependent on them, sweetie." Yukimi chimed, which just made Koyoi glare harder while her face turned bright red. "But I'll do what I can. I can't promise anything, you don't know if she's the one that ends up asking me for help."



Koyoi had to admit that she couldn't really guarantee that. But what she could do was kneel down and gently hug her dear daughter. "Sanagi. Whatever your Grandmother tells you, please try to think a bit before you go along with it. Okay? Please promise Mommy that."



"Mmmmm... Okay, Mommy." Sanagi nodded and hugged her Mommy back, kissing her on the cheek as her lil' tail wagged excitedly. She didn't really want to make that promise, but she also didn't want to make Mommy sad. So if that was what she had to do, then okay. She'd just have fun with her Grandma and try to think a bit more.



Koyoi smiled and gently kissed her daughter on the cheek as well, before letting go of her and giving her Mother another look. Just to confirm that she wasn't going to cause any problems. And just like that, she took off. Hoping that nothing would go wrong.



As soon as Koyoi was gone, Yukimi giggled and kneeled down to look at Sanagi. "Alright, Sanagi. What would you like to do with Mommy? There's a bunch of fun stuff we can do here, and you just have to ask." While she was two generations older than Sanagi, she wasn't exactly fond of the 'Grandma' moniker. It was a lot more fun to be called Mommy. After all, that was the kind of role that she filled for a lot of young ladies just like her Granddaughter.



Sanagi wobbled back and forth a bit as she hummed and hawed, her tail wagging just as fast as she wobbled. "I wannaaaa... Play some games! You got any, Mommy?" She asked, as her eyes quickly lit up. Of course she'd call her Grandma Mommy, she was a really good Mommy. She was Mom's Mom, after all!



Yukimi nodded. Oh yes, they were going to have a lot of fun together. She could already tell.



---



"Got you again, Mommy!"



Sanagi giggled as she managed to snipe straight through the older woman, who had to admit that she didn't expect to be schooled this badly. Much less in a shooter, and even less so in a game that her young granddaughter shouldn't even be playing. But at the same time, it was a lot of fun to play these games with her...



"That you did, Sanagi. That you did. Do you think you can do it again, though?" Yukimi's eyes lit up ever slightly as she was willing to try and get the upper hand. She'd employ every trick in the book... Besides messing with the girl directly. She had promised her dear Daughter that she would hold back. She really wasn't going to do so, but she was going to wait until-



*Frrrrt...*



Sanagi blushed, and Yukimi giggled as she heard that faint sound echoing out from the younger girl's rear. Why, that was the sound of a fart. It wasn't particularly wet, but it definitely sounded like Sanagi was utterly full. And that meant that she needed to go use the potty soon...



"Mommy, can I go use the potty?" Sanagi asked as she looked up at the bigger fox, squeezing her thighs together as a very noticeable crinkle echoed out. She was padded, because she still wasn't completely potty trained. "Mom says I have to try and use the potty so I can train, and I need to go potty soon..."



"I'm afraid there aren't any potties in my home, little Sanagi." Yukimi said, chuckling softly as the young girl appeared rather shocked at the revelation. "But you don't have to worry. You have a potty around your waist, don't you? That cute little diaper's meant to be used."



Sanagi nodded. She knew that. She had used it lots and lots while she was growing up. But that didn't mean that she was supposed to use it this time. She was supposed to be trying to train, wasn't she? "But Mommy, Mom said..."



"I know what Mom said." Yukimi replied, before gently leaning over and kissing her dear Granddaughter right on the forehead. "But you're with me now. And Mommy's word goes. And if Mommy says that it's okay to go potty in your diaper, then it's just something you have to accept. Okay?"



Sanagi nodded. She couldn't really question that logic. "But, it's really stinky, and Mom usually gives me a change not long after I have to use it if there's no other way around it..." At least, that's what Mom told her. She didn't really mind the stink that much. Was Mom's messes worse when she was a kid? Maybe she should ask Mommy...



"Well, if the stink's what you're worried about..." Yukimi said, all while lifting up her skirt ever slightly to properly reveal her own diaper. "Then why don't I go poopy with you, so we'll both be stinky and need changies?" She giggled. It was so fun to deal with somebody that wasn't trained, and somebody that didn't try to resist her suggestions every few minutes.



Sanagi's eyes widened. Her Mommy was diapered too! Mom had told her all about it in the past, but it was still something she had to see to believe. And it was a really thick one too, how could she possibly keep her legs together if it looked that thick? "You really wanna go poopy too, Mommy..? Aren't you a baby if you go in your diaper..?"



"If I'm a baby, then I'm a baby's Mommy. And that's good enough for me." Yukimi giggled, all while pecking her dear Granddaughter on the forehead. "Here, I'll start pushing, and then you push with me. Okay?"



Sanagi nodded. And she slowly watched as her Mommy got up from the couch, just so it was easier to make messes. All while the younger fox stood up as well, but remained on the couch since she didn't want to get down.



Slowly but surely, Yukimi pushed. And though it felt just a smidge shameful to have her poor bottom let out a rather loud and brassy *BRRRRRAAAAAAPPPP*, the shame that she felt from letting out a fart was very quickly replaced with the bliss that came from letting the poopy stuck inside her slowly but surely push into the seat of her diaper.



Her Granddaughter watched as it happened. Watching as the back of that white diaper quickly grew nice and brown and sagged further and further down as it endured the weight of everything that was being packed into it. It was honestly surprising that it was able to hold that much. And it was just as surprising to see just how much Yukimi was able to push out...



Sanagi watched in awe. And she decided that she wanted to try what her Mommy was doing. She pushed and she pushed. And while she didn't manage to fart out much more than a quick *frrrt* since she didn't have nearly as much stuck inside her, she definitely managed to push out enough to make the air around her very quickly grow stinky, something that made the tears well up in her eyes.



It was way, way, way stinkier than she had anticipated. And once she started to go poopy, it just wouldn't stop. It just kept pouring out and out. Turning her diaper a foul shade of brown while it sagged further and further down. All while forcing her to fall right onto her bottom as she couldn't keep her balance, which served to mush all of that big mess around thanks to the sudden and powerful impact. Turning her face several shades of red as she didn't know what to think about suddenly falling onto her own poopy. Especially not as it spread around on her butt and on the inner most part of her thighs...



Yukimi had stopped messing by the time that her Granddaughter fell on her butt, and she couldn't help but giggle. "Well well. Looks like I have a really poopy baby on my hands." She chimed, as she reached over and hugged her sweet little baby, making sure that she could hug her back and squeeze her tight for comfort. "How'd it feel to go poopy, Sanagi?"



"I-I..." Sanagi sniffed. And she grimaced, because she still felt the stink around her. But... Honestly, was it really that bad? Especially now that she had somebody that didn't make her feel bad because she had made a mess? "...I kinda liked it..." She muttered, all while slowly snuggling the older fox for comfort.



Yukimi's smile widened. Oh yes. Those were the words she liked to hear. "Really now? And what if I did..." She started speaking, only to sink a hand into that squishy and extra poopy padding, shaking it all around to make sure that it was mushed all over the place. Falling onto it had already done a good number on it, ensuring that her dear Granddaughter was already plenty messy. But she hadn't experienced the direct kind of messy rubbing that she was used to dealing out.



Sanagi gasped as she felt that bliss that came with the kind of teasing that her Mommy could do. She never imagined that it would be this good. "F-Feels... F-Feels really good!" She cried out, a big blissful smile and blush on her cheeks. Was this what her Mom didn't want her to learn about diapers? If that was the case, then she couldn't believe Mom would try and keep this hidden! It felt way too nice and fun!



"I'm glad you think it's so good, little Sanagi." Yukimi sighed sweetly. She had found the perfect little baby. And it came from the baby that gave her the most problems. What a funny coincidence. "But you know, you can have even more fun if you want. There's one little thing I need to do, and then you can not only have the most fun you could possibly imagine, but you could also get way more poopies to mush around in your diaper."



Sanagi's eyes lit up with bright stars. She could make this feel even better, and she could fill her diaper even more? If it felt this good to fill it to this point, then if she filled it even more... It'd feel heavenly! Or at least close to heavenly! That was something she just wanted to try, at least once!



"I'll do it!" Sanagi cried out, as she pulled away and looked right up at her Mommy's face. Her tail even wagged aggressively, making her diaper stretch out in the back as it had to wag around while still being partly weighed down by it. "What do I have to do, Mommy? What do I gotta do? Please, tell me!"



Yukimi smiled, and she gently pulled down her dress to let her breasts out to breathe. All while gently pointing towards one of her nipples. "You just need to drink some of Mommy's milk, and then you can have as much fun as you'd like."



Sanagi listened, and immediately latched onto that tasty looking nipple. And she suckled, oh boy did she suckle. She suckled like her life depended on it, and then a little more beyond that. She wanted to have lots of fun, and she would do anything to make sure that it was going to happen. And so she sucked and sucked until she couldn't suck any more.



All while her tummy started to growl and grumble, and her dear Mommy smiled. Because it was time for all of their extra stinky fun to begin...



---



Koyoi dreaded heading back to her Mother's home. Not just because she knew that something was going to be wrong, because of course it would be... But because her dear Daughter was there. And if something had gone wrong, which it definitely had, then something had happened to Sanagi. And knowing her Mother, that meant that she had filled a diaper or two. And actually liked it. The one thing that she definitely didn't want to see when she came over to pick up her Daughter.



"Sanagi! I'm h-"



The stink that overwhelmed her was so potent that she very nearly was forced to soil herself in disgust, causing her to very quickly have her eyes dart around to try and figure out the source of the stink. Okay, she was prepared for a few accidents, but this... This was on a completely different level.



And the source? Of course it had to be her Mother. And unfortunately, Sanagi too. In fact, Sanagi was wearing the diaper that was currently experiencing the worst of it, to the point where the diaper was leaking out over the older fox's knees.



"Poooopyyyyy..!" Sanagi giggled, drooling a little while hugging Yukimi as tightly as possible. It felt so good to go potty in her diaper. So much so that she didn't want to stop. How many diapers had she filled since she got here? She didn't know. But she knew that she loved it. Oh, it felt so good. It felt really, reaaaaally good. Maybe she should fill it a little more.



"Sanagi!" Koyoi cried out, before glaring at Yukimi. "What did I specifically ask you to do, Mother?" She was rather furious. How could she betray her trust like that?



"Don't get her addicted to diapers." Yukimi chimed, before chuckling a bit more. "You said I shouldn't do that. But you never said that she couldn't get herself addicted." She explained, all while gently mushing her sweet Granddaughter's diaper with her knees. "Isn't that right, little Sanagi?"



Sanagi blinked as she broke from her bliss a bit, before looking over at her Mom. "Mom! Hi Mom!" She giggled, waving at her. "Mommy told me lots about when you were filling your diapers, why don't you love them as much as we do?"



Koyoi blushed and stuttered. She didn't expect this kind of question from her Daughter...



And that moment of weakness was all that her Mother needed. A split second to disappear and reappear behind Koyoi and push her, then another to reappear so Sanagi could remain on her lap. The push would bring Koyoi too close, to the point where she could deliver a little kiss straight to her Daughter's cheek.



Sanagi's Mom trembled as she was overwhelmed by her Mother's ability, falling right into her extra poopy Daughter's arms, as both Granddaughter and Grandmother giggled in unison.



And thus, three generations worth of foxes were going to indulge and fill their diapers for quite some time...