Annabeth's heart trilled in her chest with excitement and anticipation. In her backpack was a number of goodies that she had bought specifically for this occasion, this technical taboo she and the mother of her boyfriend had been engaged in for almost a month now. Going up the elevator seemed to take a lifetime, but the ding eventually sounded and Annabeth nearly ran down the hallway to Sally's door, eager to get the festivities started. She rapped on the portal, four seconds went by, and then it opened to reveal a smiling Sally.

"Annabeth! You brought your bag, I see."

"Yes, Mommy—I mean, yes ma'am," Annabeth flushed.

Sally's grin got a little wider. "Come on in, sweetie."

Annabeth entered. The apartment was simple and furnished with only what was needed, Sally's nearly impoverished background having taught her how to maximize with the minimal. Annabeth took a seat on the couch, and Sally stood over her.

"So, what are we going to be today?"

Annabeth handed over the backpack. Sally took it and put it on the table, then unzipped it.

"Oh~, a baby today, I see!"

From the depths of the pack, Sally pulled out three plane adult diapers, a baby bottle, some baby powder, a changing mat, a pacifier, and an abnormally large pink onesie. Sally wasted to time in setting down the mat and getting a diaper and the powder ready.

"Well, I think we need to get the baby in her diaper before she has an accident all over the place, now don't we?"

Blushing, yet over the moon, Annabeth got on the changing mat, and Sally went to work. With the necessary compliance, she put the pacifier in the blonde's mouth, then the experienced mother unbuttoned Annabeth's jeans and slid them from her legs after removing her shoes, and the panties went away just as fast. Sally opened the diaper up and positioned it under Annabeth after she raised her butt, and then applied the powder, making the blonde blush in a different way and bite the nipple of her paci.

Sally did make sure to complete that step quick as possible. That area was more for her son, after all.

After the powder, Sally brought the diaper up and taped it snuggly into place. With a pat to the front, Annabeth sat up and lifted her arms so Sally could relive her of her t-shirt. With the gone, the onesie came. With a little maneuvering, Sally did the snaps, and let out a little cheer.

"There we go! Baby's all dressed!"

Annabeth giggled and threw her arms up, just like the little girl on the vintage Huggies Pull-Ups packages.

Sally reached into the drawer of the table and pulled out a Disney Princess coloring book and some crayons, then she turned the tv on to the Disney Jr. channel, where Mickey Mouse Clubhouse was just coming on.

"Now you stay your little bottom here, young lady, and I'll get us breakfast going."

Annabeth grinned around her pacifier and Sally went to the kitchen. The blonde then opened her coloring book up to the page she was last on, and got to work on her coloring, reflecting on the past four months.

With Percy's disappearance that long ago, and all the accompanying emotions that came with your boyfriend suddenly vanishing, Annabeth and Sally had become each other's rock during the turmoil. About six weeks after Percy, Annabeth had run into her mother, Athena, at Grand Central Station, and the meeting had not gone well at all. Annabeth had come to Sally after that, distraught, and everything changed.

Sally gave Annabeth what she had always wanted on that day: maternal affection. With Athena being a goddess and therefore unable to be a proper mother, and Annabeth's stepmother not giving a care, the blonde had been starved of maternity her whole life. The best taste she got of it was from Thalia, and then the girl had been turned into a tree.

The day after the argument with Athena, Annabeth returned and very hesitatingly asked if Sally could mother her some more, to which the woman was more than happy to. It became like a drug then, for both of them. Sally got to have a child again, and Annabeth got to have a mother.

And she wanted the full experience, which, after an embarrassing conversation, was what led to her current position, diapered, a paci in her mouth, doodling in a princess coloring book while Mickey Mouse was on. The very first time they did this, Annabeth had bought a package of Goodnites and a sippy cup and brought them with her, and asked if Sally could use them on her and treat her like she was a potty-training three-year-old. To her surprise, Sally was thrilled to comply.

That was how a week went, with Annabeth in pull-ups, drinking from her sippy, and Sally occasionally asking her if she needed to go potty while also checking her Goodnites for accidents. After that first week, Annabeth worked up the courage to escalate things, and wet herself for the first time in years. Sally took this completely in stride, and Annabeth kept on wetting until she was out of Goodnites.

When that happened, she took the leap into the next big part of this relationship: she bought another package of Goodnites, and on her way up the elevator, she peed pants, soaking her jeans and her panties just like a little girl. She felt somewhat bad about the mess she made in the elevator, but she knew that the janitor would take care of it. She arrived at Sally's door, working up some crocodile tears over her "accident." Sally played the affectionate mother with godlike ability.

Then, not even two hours after that, when Annabeth was just sitting there in the floor, clad only in her Goodnite and t-shirt, playing with a Rubik's Cube, Sally excused herself from the room to occupy the throne, and Annabeth executed Phase 2 of her fantasy.

Lifting off the ground and using her fingers to pull the seat of her pull-up away from her butt to create more room, she scrunched her face up and pushed. With a lot less effort than she thought it would take, Annabeth dropped a massive load into her underwear, completely filling up the bottom, and then she plopped down, mashing the mess all over her backside. She had been worried about the Goodnite holding it all in, since it was a garment primarily designed for pee, not poop, but the leakguards did indeed perform well. Although, it was still surreal feeling her own waste get mashed around her bottom, feeling it go squishing up her buttcrack, spreading across her cheeks, and getting pushed forward to her girly parts.

Then there was the smell.

Annabeth was no stranger to the smell of poop, having been around the pegasus stables enough, and she pooped a lot herself, and there were plenty of times in which the younger campers had messy accidents, sometimes the older ones too due to pranks, but there was just something that made this particular dump stinkier and naughtier than any other she had taken. Well, duh; that was because it was sitting in her pants, and her pants consisted purely of a pull-up diaper marketed as bedwetting protection for younger teens and older children.

Now, after her accident, came the tricky part: Sally's reaction.

Annabeth was prepared for many outcomes, having made lots of plans for this occasion. She was ready to be abjectly refused, she was ready for Sally to tell her that pooping her pants was too much, she was ready to be yelled at and kicked out, ready for the police to be called—really, just about any negative situation. However, she was also prepared for positive outcomes, like Sally continuing to be the outstanding motherly figure she was.

Annabeth heard the toilet in the other room flush, and she readied herself for the music.

Sally rounded the corner and the demigoddess played dumb. Sally stopped at the entrance to the living room, her nose twitching as she sniffed the air, noting how foul it had become in her absence. Oh, she knew exactly what that smell was, and considering there was only one other person in her apartment at the moment, that rather narrowed the source down. She was just a little surprised; yeah, Annabeth had wet herself plenty of times, but a poopy accident was a huge step up from some tinkle.

Sally could also tell by Annabeth's tense body language, though she was trying to play it off, that she was nervous and trying to gauge Sally's reaction.

Well, Sally thought to herself, she's been wanting me to treat her like a little girl, and little girl's do poop their pants sometimes, so...

"Annabeth, is there something you want to tell me?" Sally asked rhetorically. She approached, and she could see the relief and happiness in the girl's eyes. Then it vanished as she started playing.

"Mm-mm," she shook her head from around the pacifier in her mouth.

"Are you sure?"

"Mm-hm."

"Stand up for me, please."

Annabeth complied, and Sally made a big show of acting shocked at the teen's messy pull-up. Due to her total acceptance of the situation, it was on from that day forward, and Annabeth eventually turned things up by buying adult diapers from the local pharmacy, and getting online to explore things a bit more, which was how she discovered the ABDL/TBDL community, and all of its paraphernalia.

Annabeth determined she was more of a Teen Baby than a Diaper Lover, but anyway.

She bought some onesies, a pacifier, a bottle, and a changing mat. Personally, she thought the AB/TB diapers were overpriced for how many came in a pack, especially when Walgreens was selling a big bag of 40 diapers for under twenty bucks, even after taxes.

Annabeth was taken from her reveries when she noted the mounting pressure at her sphincters, and with barely a thought, she relaxed her muscles and let her body to its thing. Use to, this action required some effort, like stopping what she was doing in order to concentrate and focus on overcoming the mental blocks put in her head during her toilet training days, but after filling up so many diapers over the weeks, now it was almost second nature.

In no time at all, Annabeth Chase, the foremost child of Athena of the current age, the defacto leader of Camp Half-Blood in the absence of Mr. D., the demigoddess looked up to by dozens of younger campers and respected by nearly all of the older ones, was lying in the floor of her boyfriend's mother's apartment, doodling in a princess coloring book while Mickey Mouse Clubhouse played on the tv, wearing a pink onesie with a full, wet and messy diaper taped around her hips, and a pacifier resting comfortably in her mouth.

Sally came from the kitchen. "Uh-oh. Smells like some little girl in here has a stinky diaper."

Annabeth looked up with a grin.

"Come on, stinky butt. Breakfast is ready." Then, with strength contradictory to her age, Sally picked Annabeth up off the ground and settled her onto her hip just like she was actual baby, and walked back to the kitchen, depositing Annabeth in a chair at the table, causing the mess in her diaper to squish about, making her giggle.

With a smile, Sally brought over two plates of pancakes, and went and got Annabeth's bottle from the fridge, now full of chocolate milk, while also grabbing her own glass of cranberry juice. Breakfast went by with Sally cutting up Annabeth's pancakes and feeding her bite by bite, also feeding herself of course, and putting the teen's bottle to her lips on occasion.

After the food was gone, Sally set Annabeth back down in the living room floor and went about cleaning the dishes by hand and setting them on the counter to dry. When she done there, then she went about changing her pseudo-daughter's stinky diaper, cooing at her the whole time and speaking in babytalk.

That's how the rest of the morning went, with Sally babying Annabeth, and Annabeth acting as a baby, both of them extremely grateful to the other for providing this coping mechanism in the wake of Percy's disappearance.

When it came noon, that's when Annabeth was helped out of her baby clothes and back into her teen ones, and she was headed on her way. Paul was at the school conducting Saturday tutoring, and noon was when he left. It wasn't so much of a "Need to keep this a secret from Paul" kind of thing, but more of a "This is our special thing together, and it's no one else's business."

Time marched on, Jason, Piper, and Leo came to the camp, and thus kickstarted everything. Annabeth no longer had the time to go and be Sally's baby, but it didn't matter. Soon, the Argo II was completed, and it arrived at Camp Jupiter, and the greatest quest ever undertaken by demigods was underway...And it ended as best as one could hope for, with the only main person going down being Leo, but not really so it was okay.

As for Annabeth and Sally's relationship...

PJOABDL

Sally quietly entered the nursery, Paul quietly stepping behind her. One half of the nursery was dedicated to a baby girl, the other to a baby boy. The air was afoul with the smell of dirty diapers, as it always was in the morning, and neither parent minded. Sally went to the girl's crib, and Paul to the boy's.

"Annabeth," Sally softly cooed, gently shaking the girl, "come on sweetheart. It's time to start the day and change that diaper."

"Alright, buddy," Paul said down to Percy, making him stir. "Changing time and then it's breakfast."

The legendary demigods couldn't have been happier with their lives. No monsters, no quests, no danger, and thanks to the Olympians, no more school. Just happy immortal lives as Paul and Sally's babies.

PJOABDL

Just a quick one-shot I whipped up.

Hope you liked it!