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authenticcadence18 · 3 years

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Miraculous Ladybug AU for phinabella though

OK ANON HERE I AM PHINABELLA MIRACULOUS AU LET’S GO. I’ve literally been thinking about this since you sent it and I have SO MANY IDEAS (many of which are inspired by “The Beak”...LOL)

So a few things before we get into character stuff: I imagine this AU taking place a few summers after the summer Phineas and Ferb primarily takes place in (so it takes place with the same versions of the characters we know, not with alternate reality versions of them). Idk whether or not the Miraculous are still magical in this AU. They’re either exactly like they are in Miraculous Ladybug OR they are technology developed by OWCA to give humans animal powers (but if we go with the latter I have to figure out WHY OWCA needs humans in the first place, lol)

ok so CHARACTER STUFF. This AU starts when the kiddos are first starting high school. This means Isabella is starting to try and get over Phineas and Phineas is starting to realize he’s got feelings for Isabella. They’re still best friends but things are a little awkward and different between them now.

ENTER THE MIRACULOUS. Phineas gets the Ladybug (because I mean power of creation? that’s 100% Phineas) and Isabella gets the Black Cat (she would also be great with the Ladybug, but I think she’d be better with the Black Cat than Phineas...Phineas might get freaked out with the power of Destruction).

MORE RAMBLING UNDER THE CUT

I am not sure why Isabella and Phineas are given the miraculous in the first place, maybe a hawkmoth-esque villain starts wreaking havoc and they receive the miraculous to stop them. (The Hawkmoth character is PROBABLY not related to Phineas or Isabella in this AU, that’s just too much angst. I haven’t really decided who Hawkmoth is yet, but that isn’t really important here). Isabella and Phineas don’t know each other’s identities (and we’re just going to count HEAVILY on the Miraculous magically disguising their identities because I know their heads are very distinctive, LOL), and they can’t reveal them to each other because it’s dangerous, I guess.

Phineas and Isabella go by “The Bug” and “The Cat,” respectively (taking some inspiration from “The Beak” here! I think they’d just go with simple names). Phineas’s weapon is still a yo-yo, and Isabella has a silver sash that can whip out and take the shape of a staff if she needs it to (because she’s Isabella, she HAS to have a sash). And also Isabella’s eyes stay blue when transformed.

ok now what you really clicked on that read more for...LOVE SQUARE DYNAMICS

Isabella/Phineas:

Like I said earlier, Isabella and Phineas are still best friends, but Isabella is CONVINCED Phineas will never feel anything romantic for her and is trying very, very hard to get over him. Phineas, meanwhile, is gradually beginning to realize he’s got feelings for Isabella, but he’s still an oblivious bean and worries she won’t feel the same way (and he has NO IDEA she likes him back). So there’s no over the top plans to confess or anything, just sweet moments. Over the course of the story, Phineas falls for Isabella more and more.

Cat/Bug:

So in their superhero personas, Isabella and Phineas are a perfect team. They’re both natural leaders and take the reins in different scenarios. (so it’s different from the dynamic of Ladybug and Chat Noir, in which Ladybug is assuredly the leader). Because Isabella and Phineas have been working together their entire lives and are already very in sync—even if they don’t realize it—neither of them has to be the defacto leader (although in a PINCH, Isabella probably emerges as the leader, just because she’s ISABELLA). Tbh, their dynamic isn’t too different from the Phinabella dynamic in the regular show (which is good, because the ACTUAL Phinabella dynamic in this AU is a little awkward and hesitant).

At first they start off as friends, just friends, but Isabella gradually realizes she’s starting to develop feelings for the Bug. This scares her a little at first (and also makes her feel a little guilty, because what about Phineas?), but she eventually reasons it’s okay to feel things for him and that he isn’t Phineas and maybe this is good and helping her move on (plus having feelings for him just feels RIGHT for some reason). I don’t think she goes out of her way to flirt with him, though...she’s done that with Phineas and it never works so she doesn’t do it with Bug. (the irony here is she doesn’t REALIZE she’s still pining after Phineas.) as the story develops, she falls for him more and more….even though there are still lingering feelings for Phineas in her heart. (and perhaps she comes to realize the qualities she admires in the Bug are also ones she admires in Phineas and has a bit of a crisis). So it isn’t like in miraculous Ladybug where Chat is head over heels for Ladybug and VERY OBVIOUS about it. It’s more subtle on Isabella’s part.

Phineas admires Cat greatly and respects her SO MUCH and almost instantly considers her one of his best friends, but he doesn’t like her romantically (and maybe even if he feels a SMIDGE of romantic feelings for her, he isn’t going to give in to that! because he’s finally realizing he loves Isabella, he can’t be interested in anyone else!) and is 100% oblivious to the fact that she likes him. Which is painfully ironic for multiple reasons. LOL.

Isabella calls Bug her “little ladybug,” but I am not sure what Phineas calls her. Maybe he just calls her “Cat.” I’ve gotta brainstorm that a bit more, lol.

Isabella/Bug

Basically Ladrien. Soft, blushy, adorable. And different! Because unlike Ladrien, where the characters have known each other for the same amount of time, Phineas has known Isabella for WAY LONGER than she’s known him as “The Bug” so he has to be VERY CAREFUL not to say anything that could give his identity away whenever they interact. Isabella is also just as resourceful out of the suit, so she’s able to assist Bug on occasion (which only makes him fall for her even MORE).

Cat/Phineas

Ok so this relationship is a lot like Marichat but it’s also different because Isabella “used to be” (is totally still) in love with Phineas. Phineas has no idea Cat is in love with him in his superhero persona (and of course he has no idea Isabella “used to be” in love with him). I’m imagining some sort of balcony scene (though it would probably be more of a “roof of the Flynn-Fletcher house” scene, lol) in which Isabella sees Phineas sitting up there alone while suited up and goes to talk to him to make sure he’s alright:

“Hey...whatcha--UH--what are you up to?”

After a bit of prodding, Phineas tells Cat about the girl he likes and how he feels like he lost time and that things are different between them now. Isabella is saddened by that (because of course she still likes him), but she encourages him anyway and is like “you should tell her how you feel! you don’t want to regret not telling her...” (she’s speaking from experience, lol). And at some point, Phineas lets it slip that he’s talking about Isabella and she’s like “now hOLD UP JUST A SECOND—”. So it’s like the balcony scene in Miraculous Ladybug, but REVERSED. (and idk what would happen after this, but it would probably be very soft.)

Some Extra Stuff

Akumatization is still a thing in this AU (although, again, it could either be magical or technology-assisted akumatization).

I’m preeeetty sure Ferb knows Phineas is The Bug, and maaaaaybe he eventually figures out Isabella is the Cat? This means he cannot get akumatized...because if he does....aNGST.

Eventually there’s a reveal and of COURSE Isabella and Phineas get together right afterward (and maybe they’re already together as civilians, due to the “rooftop” scene I talked about earlier, and finding out their identities just makes everything fall into place, idk).

There are NO alternate love interests in this AU. None of that. Nope. Just Isabella and Phineas. Being in love. (And of course the other PnF characters are there too....just not as potential love interests. LOL.)

aaaaand that’s what I’ve got for now! This is suuuper long but ANON YOU INSPIRED ME. THANK YOU. If you guys have any questions/ideas for the au, feel free to send them! Thinking through all this stuff was a ton of fun!

#THIS IS SO LONG ASLKDJASLKDJASD #i had soooo much fun writing it out though #THANK YOU ANON #pnf #miraculous ladybug #pnf miraculous au #phinabella #phineas and ferb #phinbella #anon #omg i have an ask!!#cadence rambles #pnf au

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