a big miscellaneous AU dump?

[suzanami]

"My little pumpkin's all grown up and getting bailed out of jail! I'm so proud!"
"Caldina..."
"Even got yourself three pretty lil' missies for company! I taught you well."
"CALDINA!"

[Revolutionaren]

ROAD TRIP AU, MOTHERTRUCKERS
In which the girls drive from Hull to Birmingham.

..............Dare I ask WHY they're going to Birmingham? XD

I was trying to thing of bleak places. Maybe I should have used Slough. But maybe they should be driving towards Hull?

"Where are we eating tonight?"
"Tonight, we dine... in HELL!"
"What"
"...I meant Hull"

[Somariel]

I've got that MKR/Avatar: the Last Airbender fusion that has its own thread on here, where the MKR characters take the place of the AtLA characters and the AtLA story plays out based on how the MKR characters would react.

There's also the only-kinda-sorta AU "Innouva in the manga universe" fic that also has a thread of sorts on here and has two snippets posted on the Fan Flashworks community on Dreamwidth, and I have some ideas of my own about how I might write the Dragon!Umi!AU that Mokonalord mentioned.

[Down]

I forgot the ice-skating competition espionage fic! (..........like, AU olypics with cold-war espionage and defecting except it's on a non-earth where Cephiro and Autozam et al are on one side of the wall and the girls are from the other. And their coach is REALLY Emeraude but she escaped Cephiro as a teen so Caldina is there with them pretending to be their coach and they're trying to FIND EVIDENCE OF STUFF while also completing. Because why not?

[Somariel]

I forgot the ice-skating competition espionage fic! (..........like, AU olypics with cold-war espionage and defecting except it's on a non-earth where Cephiro and Autozam et al are on one side of the wall and the girls are from the other. And their coach is REALLY Emeraude but she escaped Cephiro as a teen so Caldina is there with them pretending to be their coach and they're trying to FIND EVIDENCE OF STUFF while also completing. Because why not?

You've also forgotten your "Ascot is Snow White" AU that you started for NaNoWriMo - last year, I think?

[Mokonalord]

• Weird Aunt/Hot Aunt AU: Where Emeraude and Ferio go to stay with their Weird Aunt Presea and Hot Aunt Caldina for a summer (Presea, Lafarga, and one of Em/Ferio's parents are siblings, and Presea, Caldina, and Lafarga live in a duplex).
• 2nd Season Anime Rewrite AU: In which Innouva is the main villain of MKR2 and Debonair does not exist at all.

EDIT:
Remember seeing a suggestion on tumblr that works using the canon universe with just a few plot points/characteristics changed be called UAs (Universe Alterations) instead of AUs, in which case, my second one is an UA. Also, I don't consider Mid Knight Skies to be an AU or UA, since that's more of a fill-in-the-gap deal.

[suzanami]

Weird Aunt/Hot Aunt AU: Where Emeraude and Ferio go to stay with their Weird Aunt Presea and Hot Aunt Caldina for a summer (Presea, Lafarga, and one of Em/Ferio's parents are siblings, and Presea, Caldina, and Lafarga live in a duplex).

*shrill cry*  oh my god the shenanigans.  I need this in my life.

[VKiera]

OH God, I just remembered an AU I was going to do years ago that was modern AU with Umi's father in the hospital for surgery and she meets some guy outside on sitting on bench. She doesn't find out until later he's a patient, it's Eagle and fff the whole thing was like super emo because he's dying of cancer but they sort of become a thing and he spends most of the end of his life trying to like make her happy for the time he's there? IDK I never really got far with it.

[Mokonalord]

There's also that evil Hunger Games!AU of mine, in which Hikaru, Umi, and Fuu are all tributes that become friends and form an alliance in the pre-Game period, but get split up at the beginning and don't meet again until they're the last three left. How that would end, all three living, all three dying, or only one living, is up for debate.
Also featuring:

• Eagle as a tribute who volunteered after finding out he had a terminal disease and wouldn't live another year anyway (Him and Fuu as the tributes from District 3, perhaps?)
• Clef as Umi's mentor
• Ascot as a twelve year-old tribute with the horrible luck to get picked on his first Reaping, Caldina as his mentor determined to get him out alive, and Lafarga as the escort for that district
• Maseru and Kakeru demanding to volunteer as tribute in Hikaru's place, only, of course, they can't

[Mokonalord]

Psychiatric Ward AU in which Ascot has Dissociative Identity Disorder/Multiple Personality Disorder, and all the other personalities he shares a body with (the beasties) are really nice/fun/harmless, but Ascot's the one that starts all sorts of shit every time he comes out and they think he might've killed his parents, so, yeah, not getting out of there any time soon.

[Ithil]

• Danganronpa!AU where everybody's trapped in the Castle by Mokona, forced to take part in the 'Magic Life of Mutual Killing,' meaning somebody has to murder someone else without the others figuring out whodunnit, and if they succeed, that person becomes pillar (but everybody else dies). Ascot dies in Chapter 4 because that is when my favorites always seem to die.

Dear Mokonalord, I just want to let you know that I watched Danganronpa: The Animation because of your AU XD I know it sounds ridiculous, but it's true! You should write that story, even though Ascot doesn't deserve such an ending D:

• Weird Aunt/Hot Aunt AU: Where Emeraude and Ferio go to stay with their Weird Aunt Presea and Hot Aunt Caldina for a summer (Presea, Lafarga, and one of Em/Ferio's parents are siblings, and Presea, Caldina, and Lafarga live in a duplex).

I'd love to read this fanfiction as well 

Guys, I read almost every AU you have imagined, and all I can say is that I LOVE YOU ALL XD

[Mokonalord]

So, as a consequence of finding out I can actually appreciate Clef/Umi when it's part of a threesome including Ascot, another strange AU seems to be taking shape...

Vaguely Merlin-esque AU: Umi gets lost in a magic forest that no one ever comes out of. Said magic forest is the result of an epic falling out between an esteemed wizard and his apprentice quite some time ago. Or so claims that talking tree. Course, that tree also told her not to trust the little boy with the beasts, and he turned out to be just fine. Really, what does a tree know, anyway?

[Mokonalord]

As a result of a Let's Play I've been watching...

Phoenix Wright!AU with Umi as the newbie defense attorney and Fuu as rival experienced prosecuting attorney. Because Umi making overdramatic objections and Fuu with a ruffled cravat. Just think about it.

[Down]

I love how half this thread is us remembering other random Rayearth AUs we've come up with. XDD

[Milieva]

I don't know that I have replied to this thread at all.

-Umi is Clef's bodyguard because his family wants him dead for political reasons.

-Umi finds a baby dragon while studying abroad in England. She takes it to cattery owner Clef to get help looking after it.

-Umi is a princess of a random kingdom, and her friend Caldina talks her into randomly seducing someone at a masquerade ball.