Might I have some of your finest beyondtsuda or mikamatsu (is that their ship name?) headcanons on this joyous day?
Oooooh hoo hoo
Anon I would be delighted
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Beyondtsuda
Okay so when it comes to Beyond Birthday ships, one of my favorite things is him finding little pieces of A in the people he likes. However, with that all being said, I actually don't see Matsuda as being incredibly similar to A (personal A headcanons and all that), so I'd like to think that BB grasps on to some of those little things he can find that reminds him of A, but he also...actually has to get to know Matsuda
With that all being said, because of how far removed they are physically in canon, I generally headcanon their meeting to be something by chance. In a canon setting for example, perhaps they happen to cross paths on the street or in a shop or cafe because BB is tracking L and Matsuda is out (most likely to do something for L, or perhaps related to his brief manager duties). Or maybe they even meet in task force headquarters, because Matsuda just so happens to be the first person B runs into
Idk I guess to sum it up best, I think their first meeting would undoubtedly be one of chance (be at least somewhat L related), and I think while BB upon growing feelings would draw similarities between him and A he would ultimately realize how different they are
It's like the idea of "What if we were strangers? What if we didn't know each other because you aren't a mirror of me? What if we actually had to learn to know each other?" with a sprinkle of "I couldn't help but latch onto the ways you remind me of the person I once loved, but I know you are NOT them"
Okay okay perhaps I should add a silly headcanon in here for your enjoyment
Beyond and Matsuda would bond over mutual enjoyment of magical girl anime/manga. BB infodumps about Akazukin Chacha, Matsuda talks about Princess Tutu and Sailor Moon. They watch Madoka together.
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MikaMatsu
Funnily enough, if I had to draw a thread between these two ships, it would be that Beyondtsuda share the capacity to bond over L and Mikamatsu share the capacity to bond over Light. Dunno why that trope has me in a chokehold. Anyhow
I like to think that Matsuda would have visited Mikami in prison (in the manga canon setting) before Mikami "mysteriously died"
The Kira reveal was a *lot* for the two of them in different ways, and given how they were narratively placed as opposites ("the man Light chooses as his most devoted pawn and could successfully rely on, who only knows Light as Kira the god" vs "The man Light thought would swing to his side, who he thought he may be able to rely on in the end, who knew Light as Light Yagami the man, son of Soichiro Yagami and L's only friend"), I quite like the idea of them...wondering what it was like for the other
I like the idea of Matsuda being curious despite everything, unwilling to really write the man he'd trusted off as wholly bad and seeking to know the man that Mikami knew. And Mikami, while yellow box and the shock of his "god"'s apparent humanity leads him to grapple over the idea of 'renouncing the false god' or possibly even twisting truth for the sake of his own mind (so he doesn’t have to contend with his actions possibly servicing "bad"), I think at heart he too would be curious as to the Light that Matsuda knew. Ultimately, I would headcanon their first real meeting, their getting to know each other, as a tragedy. No matter how close they manage to grow, whether they are open to or even can understand each other, in the end Mikami will die
Now, on a less angsty (but still a bit so) note. One of my favorite headcanons is the idea of them becoming roommates post L's death during the timeskip. It's just hilarious to me to imagine Gevanni investigating Matsuda's roommate, and it's fun to imagine how they would be as roommates. Ultimately, I actually headcanon that Matsuda can decently cook, so I think it would be interesting for them to start out as roommates who barely interact, but then become the kind of roommates who collaborate on dinner and teach each other different skills and air out some of their frustrations. I also think it adds even a tad bit more complexity to Matsuda's own feelings about Kira if he's stuck between a rock (Mikami clearly being a Kira supporter) and a hard place (being a part of the Kira task force, which is full of quite a lot of heavy anti Kira people). And while I think it's more realistic that they would grow some manner of feelings for each other (not necessarily ones they can pinpoint as romantic or sexual at this time, but not exactly platonic either) but any realization of feelings would be overshadowed by their current duties/goals and their separate devotion to Light (and their own feelings for him), I think it's also fun to imagine them as sort of a...roommates with benefits situation
Okay okay now for something a lil silly
I personally headcanon Mikami as aroaspec but also gay, but I think it would be insanely funny if Teru Mikami just found himself at a random time completely down bad for Touta Matsuda. Like, while he's not 100% sure of the nature of any of his feelings nor do I think he takes the time to think about this, at least him being down bad for kami-sama makes sense to him, but when it happens regarding Matsuda? I think he would just think in his head randomly "Why him? Kira is someone whom I respect and adore, someone who I feel a connection to. Why can't I stop thinking about this dude??"
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Anyways, thank you very much, anon! Your ask has made this day much joyous for me!!
