#the byakuya - yumichika interaction in this fic is so powerful

[recurring-polynya]

For Stuff For Renji's Birthday Prompts: 1) time travel turn back the clock nonsense, bc I'm an enabler and Karakura teens plus shithead Renruki teens has *Byakuya voice* strong comedic potential OR 2) Hisana lives but due to wacky circumstances, nobody notices Rukia's existence at the Academy... until they've graduated and Renruki have joined Squad 11. Dealer's choice! (Honestly whichever you pick, I might try writing the one you don't. I am not a writer these 2 just live in my head rent free)

Why would you make me choose between these, whyyyyyyyyyy?

To be honest, I almost did them both, but this was the second one I did, and I figured that I should probably do some other people’s prompts, and then I ran out of time. I might do you some time travel shenanigans later. (This should in no way stop you from writing these, I would flip my chips if you wrote something, let alone something based on my horrible ideas)

In any case, I couldn’t resist the second options and I have spun it out into a delightful bit of Byakuya-torture. Please enjoy!!!

Special thanks to @kaicko for helping me come up with the clerical error, because you all know me, I can’t just say “a clerical error.” 😂

Read on ao3 or ff.net

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“How is the tea?” Aizen Sousuke asked smoothly.

The tea was excellent, but Byakuya wasn’t in the mood for Aizen’s needy attempts to ingratiate himself. “Adequate,” he replied dryly. “You said you had something to discuss with me.”

“Ah, diligent as always, Byakuya,” Aizen sighed, “always eager to get back to work. I’ll get to the point: I happened to speak with your wife recently at a fundraising event. She’s very interested in the people of the deep Rukon, and said she travels to South Rukongai frequently.”

Byakuya narrowed his eyes. “What is your point?”

“Well, I thought it was a bit of a strange occupation for a woman of your wife’s noble standing, but then Gin reminded me that she was actually from there herself, that there had been a bit of a to-do when you two married. I don’t tend to follow gossip myself--”

“I repeat, what is your point?” Byakuya gritted your teeth.

Aizen made a pissy little throat clearing noise and fiddled with a folder on his desk. “The fact is, Byakuya, your wife reminds me a great deal of a young woman who served in my squad a few years ago, whom I recalled also hailing from the Rukon. I wondered if there might be a.... connection.”

Byakuya’s shoulders stiffened. Impossible. He had put watches on all immigrants to the Seireitei. He would have reviewed anyone who came from the South 78th.

“Inuzuri Rukia,” Aizen read from his file, and Byakuya’s blood ran cold. “Shin’ou class of 2066. Unseated. Petite, like your wife. Dark hair. Very striking eyes. Unfortunately, an unremarkable shinigami. Potential for a good kidou user, but didn’t take direction well. More interested in sword combat, although she had little aptitude for it. Ah, here it is. Hometown: District 48, South Rukongai.”

“That doesn’t make sense,” Byakuya said flatly. “Inuzuri is the 78th district of South Rukongai. Why would she carry a surname from a different district?”

Aizen made an exaggerated frown. “Very strange! A clerical error perhaps? Hold on a moment.” He stuck his head out of his office door and said something to the shinigami on reception duty. “Fortunately, there’s an easy way to clear this up. It’ll just be a minute.”

Byakuya gripped his teacup, unsure of how to feel. A clerical error. Class of 2066… she would have enrolled in 2060, in the middle of Hisana’s worst turn, when she had been bedridden for nearly four years. Their attention would have lapsed. It made sense.

“She does not sound like your usual recruit,” Byakuya accused. Aizen was constantly finding ways to skim the highest performers from the Academy, all the gifted children.

Aizen looked sheepish. “Ah, well, you see, there was a young man of some talent that I was eager to recruit who was… attached to her. I thought she might have some potential if properly guided, but it never panned out.”

Aizen’s good deed was suddenly beginning to make sense. The girl had transferred out and taken Aizen’s prize with her. He wanted Byakuya to go fetch her away in hopes that the talented one would come home. Byakuya actually felt much better now that he’d identified Aizen’s ulterior motive, and further, that it had more to do with his own petty recruiting schemes than Byakuya’s family (specifically, Byakuya’s wife).

There was a knock at the office door, and upon being bid entry, a young woman walked in. Although indeed petite and dark-haired, she looked nothing like Hisana, and Byakuya remarked as much.

“Oh, no, this is my Seventh Seat!” Aizen chuckled. “Miss Hinamori, you were friends with Inuzuri Rukia, isn’t that correct?”

The young woman’s eyes had gone wide when she recognized Byakuya. “Er, yes, sir,” she said, her eyes darting between the two captains. “We shared a room while she served here.”

“Do you happen to remember what district she was from?” Aizen asked in an overly friendly manner.

“Oh, sure, it was South 78,” Hinamori replied. “Inuzuri, of course.”

“I’m afraid I don’t know all the outermost ones,” Aizen said in his goofy voice again. “Her paperwork says 48.”

Hinamori’s brow furrowed for a moment and then her face brightened. “She and Abarai had very heavy accents when they first came to the Academy, and used a lot of deep Rukongai language quirks. I don’t remember all of it, but they both used to use ‘shichi’ instead of ‘nana’ for seven, especially when referring to their district. They weren’t very fond of their home district. I wonder if the registrar misheard.”

“Well, there you go!” Aizen said, slapping his hands on his desk. “A very logical explanation!”

Hinamori beamed.

Byakuya found Aizen’s need to be liked by his subordinates very unprofessional and off-putting, but he tried to push it aside. He was trying not to be too eager, but this was probably the best lead he’d had on Hisana’s sister in all the years they had been searching. “Where is she now?” he grumbled.

Aizen turned his doe eyes on his fawning subordinate once more. “I don’t suppose you still keep in touch? She couldn’t have lasted very long there, they must have transferred again?”

Hinamori made a face like she didn’t want to say the answer. “I’m afraid that Kira and I had a bit of a falling out with Abarai and Inuzuri when they left. I haven’t talked to them in a few years, although we still have some mutual friends. As far as I know, though, they’re both still at Squad Eleven. I heard they were doing fairly well there, actually.”

The room seemed to retreat around Byakuya. All he could hear was the blood pounding in his ears and the reverberations of the most horrible words he could possibly think of: Squad Eleven.

---

Byakuya knew it was poor etiquette to visit another captain’s squad when the man was out, but he absolutely could not stomach the idea of discussing the matter of his wife’s sister with the Kenpachi, so he waited until Zaraki and his miniature lieutenant were sent out to go trample half of East Rukongai before visiting.

He also knew that he probably should have said something to Hisana, but he couldn’t bring himself to get his wife’s hopes up, only to dash them, should this turn out to be nothing, like so many leads before it. So, the secret sat in his stomach, heavy and acidic, jostling with the guilt of his breach of etiquette.

“Is there someone here,” he gingerly asked one of the gentlemen on gate duty, “who takes care of administrative matters for the squad?”

The man swiveled his head, which appeared to grow directly from his torso with no need for an intervening neck, to his fellow guardsman. “What?”

The other fellow had been busy trying to remove wax from his ear with a pinky. “WHAT?” he shouted back.

“Paperwork!” Byakuya said a little louder. “Is there an office of some sort? A person who knows what’s going on?”

He supposed he could have asked for the girl, Inuzuri, directly, but he didn’t feel… ready.

“I think he wants Ayasegawa,” the neckless guard hazarded.

“WHAT?”

“I’ll be right back.”

Eventually, the burly gentleman returned. With him was a strangely elegant person with a silky curtain of hair cut severely to chin length and piercing violet eyes. “It really is you,” the lovely man said with a level of disdain that Byakuya almost had to admire. Before he had a chance to get offended, the man dipped into a respectful bow. “Welcome to the Eleventh, Captain Kuchiki. Fifth Seat Ayasegawa at your service. What in Soul Society can I possibly do for you?”

“Apologies for visiting while your captain is abroad,” Byakuya replied, not meaning a word of it.

“Oh, he’ll be very sorry to have missed you,” Ayasegawa frowned. “But I’m sure you could make it up to him later.”

Byakuya’s eye twitched. “Perhaps. I have come to enquire about a young woman whom I am told transferred to your squad three years ago.”

“Does she have a name? That might make it a little easier.”

“Inuzuri Rukia.”

Both of Ayasegawa’s eyebrows shot up, and his mouth curved into a feline grin. “Ninth Seat Inuzuri, of course!”

Byakuya blinked. “Ninth Seat? Captain Aizen told me she was middling at best.”

Ayasegawa's face suddenly went stiff. “She was not well-served at the Fifth, but she has bloomed here most beautifully. Inuzuri is my personal protege, you know.” He stared at Byakuya under hooded eyes. “What is your interest in her? Captain?”

Byakuya took a deep breath through his nose. “My wife is also from Inuzuri. She is trying to locate someone she knew there. It is possible this Rukia is that someone.”

Ayasegawa frowned. “Well, I can introduce you, if you like. I should warn you, though, Rukia doesn’t have a lot of lost love for her hometown.”

“My understanding is that there isn’t much to love about it.”

“Mmm,” Ayasegawa agreed. “Well, come along, let’s go find her.” He concentrated for a moment, clearly trying to find her reiatsu. She must be a woman of some power, after all. “Ugh! She and Abarai are at it again! Every day!”

Byakuya swallowed stiffly.

“Well come on! She’s out at the training fields, clobbering our Tenth Seat, yet again.”

Oh. That kind of “going at it.”

Ayasegawa was shaking his head. “The two of them are literally an unstoppable force and an immovable object.”

“Abarai was also at the Fifth?,” Byakuya probed cautiously. “I was told they were close.”

“Of course they’re close!” Ayasegawa scoffed. “They’re partners!” He thought for a moment. “Abarai is from the 78th as well, you know. If Rukia turns out to not be your girl, perhaps one or the other of them knew the person you’re looking for. Abarai is one of those people who just… knows everyone. He’s the personable half of the pair.”

“‘Partners’?” Byakuya echoed. “What… kind of partners?”

Ayasegawa stared back at him like he was insane. “Partners.”

This path of inquiry clearly wasn’t going to get him anywhere, but wasn’t particularly relevant, either. “I did not think kidou-type zanpakutou were permitted in the Eleventh,” Byakuya sniffed. “Aizen’s records indicated Inuzuri wields an ice-and-snow type.”

Ayasegawa gave a little shrug. “Zanpakutou classifications are arbitrary. Obviously, if she had a bunch of showy blizzard attacks like Matsumoto’s little prodigy friend, it would be a no-go. Rukia can take the blade of her sword down to sub-zero temperatures. She has a weapon-shattering attack and she doesn’t feel pain when she’s fighting. It’s fundamentally no different than a zanpakutou so massive that only the wielder can lift it, or a whip sword that’s controlled with one’s reiatsu.”

This sounded like a quibble to Byakuya, but it’s not like he had come to the Eleventh looking for sound logic.

“She’s incredibly fast, probably the fastest person in the Eleventh, although no one’s really sure what Yachiru’s top speed is,” Ayasegawa continued on. He glanced at Byakuya slyly. “I hear you are very fast.”

“You have heard correctly.”

“That’s why Abarai can’t beat her. If he could land one really hard hit on her, she’d go down, but he’s not fast enough and she’s just too agile. He’s my partner’s protege, you see, so I have to take their little scraps very personally.”

How did this man talk so much?

“What did you say your wife’s relationship was to her again?”

“I did not.”

“Ah, right. Oops, look out!” Ayasegawa abruptly dove to one side as a giant mass of shihakushou and pink hair and what might be a sword came crashing through the split rail fence surrounding the training field.

Byakuya was not in the habit of ducking, so he merely plunged the force of his reiatsu down into the earth like a piton. It was almost, but not entirely sufficient. Byakuya gritted his teeth as he was driven back, dirt piling up behind his heels as he skidded backwards.

When they finally came to a halt, Byakuya looked down at the meaty youth lying at his feet. This must be the infamous Abarai, although he certainly didn’t look like one of Aizen’s usual simpering overachievers. The first thing Byakuya observed was the eye makeup. Most shinigami applied at least a little eyeliner, on grounds of tradition, but few bothered to blacken the entire eye socket, as in the skeletal facepaint of old. The second thing Byakuya noticed were the tattoos painted across his forehead and neck. They were black and spikey and horrible. The third thing was the hair, which was bright pink and spikey, and utterly at odds with the makeup and tattoos. The fourth thing was the big, sheepish grin, which honestly just tied the whole hideous tableau together.

Byakuya glared down at the lout, and in a moment of pettiness, flared his reiatsu to a level that should have sent blood spurting out of his ears.

“I’m afraid that’s not going to do much to someone who has a weekly sparring slot with the Kenpachi,” Ayasegawa commented dryly.

“Sorry ‘bout that!” the lummox cheerfully apologized as he sat up and brushed himself off. He had an Inuzuri accent so thick you could spread it on toast, an accent that Hisana tended to slip into only when she was extremely bent out of shape. Abarai snapped the sword hilt in his hand, and the tangled pile of steel on the ground neatly retracted into something that looked a little more like a weapon, if a weapon were designed by a creative and overly violent child.

“That’s a captain, you buffoon!” another voice rang out, and every muscle in Byakuya’s body locked. “Show your respects!”

The voice clearly affected Abarai as well, because he leapt to his feet, spun, and slammed into a bow. “My apologies, Captain…” his eyes glanced up and abruptly widened, “Kuchiki.”

“Greetings, Captain Kuchiki! Welcome to the Eleventh Division! I apologize very profusely for throwing Tenth Seat Abarai at you!” A second young person had come to join Abarai in his bow, and they both rose in unison, Abarai looking suddenly pale and nervous, his companion looking calm and confident.

So this was Inuzuri Rukia. She had Hisana’s voice. She had Hisana’s stature, and standing next to Abarai made her look positively childlike. She wore the same dreadful eyeblack, but the eyes that shone out of it were a variation on Hisana’s, harder and three shades more purple. The rest of the face was Hisana’s. Her hair was dark, shaved on the sides, arranged into porcupine spikes on top, although one lock hung down stubbornly between her eyes. Her ears glittered with silver piercings. At least she was free of awful tatt-- wait, no. Byakuya had missed them at first, because they were white. Abarai’s tattoos were spiky and sharp, but Inuzuri’s were graceful swirls, like ribbons wrapping lazily down her forearms. Even her reiatsu was like Hisana’s-- but instead of a cool, refreshing wintergreen, Inuzuri’s was the bone-deep cold of winter, a cold so harsh it burnt in the lungs.

There was no doubt.

This atrocious delinquent was his long-lost sister-in-law.

“Can we help you with something, sir?” Inuzuri prompted. “Abarai here’s a big fan of yours.”

“Shut up, Rukia,” Abarai managed through gritted molars.

“Inuzuri Rukia, you died as an infant thirty-six years ago and were sent to the 78th District of South Rukongai, is that correct?” Byakuya said stiffly.

Inuzuri and Abarai both bristled, a pair of mongrels raising their haunches. “That seems about right,” Inuzuri replied slowly. “My early years are a little hazy.”

“My wife, Hisana also died thirty-six years ago and was sent to Inuzuri with her infant sister,” Byakuya went on. “They were separated. My wife has been looking for her sister ever since. You… resemble her greatly.” Byakuya let the implication hang in the air. He couldn’t bring himself to say it.

There was silence for a moment. Then there was the distinct noise of a laugh that, having been held in, had escaped through someone’s nose. “Sorry! Pardon me!” Ayasegawa wheezed, clapping one hand over his mouth and looking away. “Bit of. Dust. In my throat.”

“I told you! I told you, you looked like that picture of her in the Bulletin!” Abarai was hissing.

“I thought you were lying because you thought she was pretty!” Inuzuri hissed back.

“I thought she was pretty because she looks just like you!”

“Now is really not the time, Abarai!” She cleared her throat and tried to stand up a bit taller, a futile effort. “So, uh, so what? What does that mean, if I am her sister? Does that… does that make me noble?”

A higher pitched wheezing came out of Ayasegawa. The level of impudence was extraordinary.

“I would like you to come to my home to meet her, first,” Byakuya put off making any promises. “We can discuss what comes next. As a family.”

“I’m at work right now,” Inuzuri excused.

“Inuzuri, I need to know how this pans out, you can have the afternoon off,” Ayasegawa informed her.

Inuzuri’s confidence seemed to be draining out of her. She took a tiny step closer to Abarai and groped for his hand. “I’m bringing Renji,” she declared.

“Is he compulsory?” Byakuya asked. Inuzuri was absurd looking too, but at least she was small.

“He’s my family,” Inuzuri insisted.

Byakuya’s brows furrowed. This could prove problematic. “In any sort of legally binding sense?”

“We’re engaged!” Inuzuri announced.

“We are?” Abarai goggled.

“I told you I’d marry you if you could ever manage to beat me in a fight! What else would you call that?” Rukia hissed at him in a voice that was still, unfortunately, perfectly audible.

“I’ve been trying every day, and honestly, Rukia, it’s not looking good for me!”

“Can you just go with it for once, instead of arguing with me every time?”

“If you want to leave and never tell anyone you found her,” Ayasegawa put in, “I am very bribable.”

Byakuya was sorely tempted.

---

End note: To further explain the number mix-up, as I understand it “seven” in Japanese can either be said as “nana” or “shichi”. People usually say “nana” for two reasons-- 1) to avoid confusion with 4 (”shi”, although you can also say “yon”) and because “shi” is a homophone for death. Given how shitty the districts in the 70s are, I rather liked the idea that they residents use the “shichi” pronunciation as a bit of gallows humor. (And if you don’t have a rude nickname for the town you grew up in, well, congrats for not growing up somewhere shitty)

I don’t actually speak Japanese, tho, so forgive me if this is all nonsense. 😁

[recurring-polynya]

A lot of people complain about not understanding the tagging system on AO3. I feel like I have it down pretty well, but one thing I always waffle on is side ships.

There are two major purposes to tags-- finding stuff you like and filtering out stuff you don’t like. Even this is a teensy bit difficult, because I write the slowest of slow burns, so sometimes things are shippy to me that you would need a Geiger counter of some sort to detect the actual romance. However, as Certified RenRuki Trash, I feel pretty comfortable that people who are looking for Renji/Rukia are gonna be happy to find my fics and people who don’t want to see it are not gonna be reading my stuff anyway.

There is not a lot  kind of a lot of peripheral romantic relationships in my fics (I started to say there wasn’t and then I made a list and realized I was A Liar) and I rarely, if ever tag it. I did tag Rikichi/Hanatarou in my latest fic, because, even though it was minor, it was a plot point, and there were numerous scenes about it, and they kissed onscreen. Also, there are only 4 Rikichi/Hanatorou fics on AO3, so I might as well throw a bone to anyone wallowing in pasty sidekick4sidekick hell.

Byakuya/Hisana is also a thing that is obviously both canon and relevant to my work, but the only time I’ve tagged it was when I had actual flashbacks to them interacting.

I guess here’s the thing: I, to my shame, will read almost anything that is tagged Renji/Rukia, as long as it isn’t preceded by one of my Big NoTPs. I am so thirsty, I will take the smallest crumb anyone will throw me. For the most part, I come away fairly disappointed, but there are a few times I have found really great fics these way. I would love it if someone read my fic and felt the same way, but I would hate it if someone read something of mine and felt like they had been falsely advertised to. Obviously, I would like it if more people read my fic, but that isn’t my driving motivation here. I just want people who would enjoy them to read my fanfics.

I don’t think any of my sideships are the ones that people get worked up about, so I worry less that someone would read one of my fics and halfway thru, get super pissed because Shuuhei is flirting with Izuru, but... maybe? I don’t know! The last thing I want is anyone to read my fics and be mad about it.

I wish AO3 had, like, a minor/major tag modifier, I feel like that would solve a lot of my problems. I don’t use those much, though, because they cause work for the tag wranglers and/or they don’t work in the filters anyway. Sometimes, I try to just add extra descriptive tags, like the classic “everyone has crushes on everyone else because teens.” I do my best, but if you have any opinions, I’d be interested in hearing them.

Bonus, because I love talking about my fanfic, under the cut are all the side ships that are more or less explicit in my mainline fic.

Ikkaku and Yumichika are effectively married, except that aren’t into institutions. They are extremely low-key about it for the most part, unless they take you into their inner circle and then it’s too much information all the time, RIP Abarai Renji.

Ukitake and Kyouraku are soulbound, a thing I have defined as part of my personal World-Building. They are together on a level that transcends friendship and romance. They have been together for going-on one thousand years, and I feel like they go through phases of being more or less romancey and being close to each other and going off and doing their own things. Their relationship is a source of comfort and power and healing to them. They have a bunch of extremely sweet combo attacks and they can do gonzo stuff like cast kidou together. It’s basically the Old Married People Power-up because I am an old married person and I do what I want.

Urahara and Tessai are as married as two dead gay dudes living in Japan in 2002 can be. Probably Shinji got ordained online and they had a big party. Maybe when they get un-banished, they can make it official and Yoruichi is going to be a giant runny mascara disaster.

IchiHime is gonna happen, as per WDKALY. Rukia and Renji both ship it hard. This is the one relationship that I know people might take issue at, but I’ve only ever referred to it in the most passing of ways, it’s canon and I’ve already marked the fic as canon-compliant, and also, I feel like the intersection of people who are pro-RenRuki and anti-IchiHime is pretty small, but maybe I’m wrong.

Back at the Academy, Momo had a crush on Renji. She is very, very over it. Izuru had crushes on both Momo and Renji. He is... mostly... over both of them.

Renji and Shuuhei used to date around the time Shuuhei became a lieutenant and Renji was still in Squad 11. It was a surprisingly healthy relationship between two himbos who were Going Through A Lot Right Now. It ran its course and Renji broke it off, claiming that he needed to knuckle down on passing the Lieutenant’s exam, but it was really because they’d started hanging out with Kira again, and he could tell that Kira and Hisagi really wanted to hook up.

Kira, Hisagi and Matsumoto are not really in a relationship, but they end up having sex with each other a lot. About once a year, Hisagi and Kira will Forget What Happened Last Time and try to have a relationship. It will last approximately 24 hours, the Izuru-Renji-Momo group text will blow up, and they’ll get banned from the Seireitei Waffle House, again.

I am never going to write Hitsugaya with anyone. There’s not even a tag for this, and it would be overkill to tag this, but if anyone is reading my stuff in hopes that he’s gonna get some action eventually, it’s not gonna happen. It’s not that I think he’s ace or anything (and there are some characters that I think are), and I love this weird, neurotic babyman a lot, but I just got nothing for him, romance-wise, even aged up. He does develop a deeply strange BroTP with Byakuya and I tag it every time because Hitsugaya & Byakuya is the most important relationship in Bleach and I don’t want anyone to miss out.