Mahiru and Kuro are getting absorbed into the team M polycule
I think that they all would get along really well. Like genuinely once they sort through the things they've done to each other during the war, probably starting with Kuro apologizing for nearly biting Belkia.
And poking a hole in his hat, which may be more unforgivable.
Team M by themselves have a variety of different personalities and different interests so it's not so out of the blue to have Mahiru and Kuro's personalities and quirks to the mix. And even then, the usual trauma that surrounds any of the Melanchonies actually still somewhat applies to the both of them; Mahiru who has suicidal ideation and would rather die than be alone again and Kuro who, pre-realizing he needs to help Mahiru like he helped him, would have taken any chance to die and stay dead.
Also all having beef with C3 in some form or another is something that can tie them together rather nicely.
Kuro would be far more awkward with the Elites than Mahiru would simply because he's just like that but he's gonna try.
Kuro recommending good games to Sakuya, Belkia and Otogiri. He learns and factors in their taste. He keeps beating Belkia in Mario Kart and he gets all pissy about it.
I hc that Kuro is more creatively inclined and writes/has written so once that fact slips out he and Higan have at least a little something to talk about (Art, meaning. The artist and writer friendships are real and Strong.)
Mahiru and Shamrock joining together in their housekeeping skills. Mahiru's apartment and Tsubaki's penthouse have never sparkled more. Going grocery shopping together and teaching/learning tips and tricks. They get along swimmingly.
Kuro @ Shamrock: Damn theres two of them now
Belkia and Mahiru is something im not yet sure what to do with but we'll get there.
Otogiri and Mahiru would work and it'd start when Mahiru asks about her thread/string and Otogiri answering questions which leads to the both of them sharing pictures of their latest sewing projects.
Kuro and Otogiri would chill but also she thinks his kitty form is really cute and wants to pet him. It takes a bit but Kuro eventually allows it willingly.
Mahiru and Higan just Works. Somehow. They def get along better than Higan and Sham so theres that at least.
Sakuya's getting smooched either way by everybody so its all good ww
there's something interesting about yoshimasa's choices
remember that touma was part of tsubaki's subjugation squad
he was more likely a teenager at this time, basing it on the fact that when shamrock went to have his revenge, tsurugi was a teenager, and he has ten years age gap with touma
yoshimasa was more than willing to sacrifice himself to protect tsurugi
even though he didn't do the same for grey. but. see. he's being consistent here. back when they were running away from tsubaki and back when he shielded tsurugi, yoshimasa made the same choice: to save the young by sacrificing the old
and in the end yoshimasa's best friend couldn't let a kid die either
Shamrock is such a mom friend..... Momrock........
With Tsubaki
Shamrock:”Young master. I’m terribly thankful to lead a team that includes the young master, but... I shall serve you with all my strength.”
Tsubaki:”Ehh~ So stiff~ We’re playing today, so let’s do this with light hearts. Okay, Sham?”
With Sakuya
Shamrock:”Hey, Sakuya Watanuki. I brushed your plushie for you.”
Sakuya:”Huh... Tsubaki-sa... Well, it’s not Tsubaki-san, but the fox that looks like Tsubaki-san... Its fur is so glossy... It looks even more like him, doesn’t it...?”
With Belkia
Shamrock:”... Belkia! Pay attention. You always get distracted near the end.” *
Belkia:”Huuuuuh~~~???!!! ★☆★ Who are you talking tooo?!!!!”
With Otogiri
Shamrock:”... Lady Otogiri. I’d like to learn how to make soba today...”
Otogiri:”... All right. First is running and weight training. If your muscles are not trained to perfection, you will never make perfect soba.”
With Higan
Shamrock:”... Higan. Well... I... ... ...”
Higan:”Yeah, don’t overdo it. Might be good if you stayed over there.”
With Shuuhei
Shamrock:”... Shuuhei. You look pale, did you have breakfast before coming here? Even if you don’t have time to eat properly, you should have something, no matter what, like soup. We’d be in trouble if you don’t stay healthy.”
Shuuheit:”Wh... What?! The reason you’re saying things like that...! Please stop acting like my parent!”
With Toma
Toma:”............”
Shamrock: (He got huge, didn’t he...? No, he’s always been big, I guess...)
With Yoshimasa
Shamrock:”.......... ... I didn’t think the day would come when I would meet you like this... What should I say...”
Yoshimasa:”Yeah, for real! Maybe this magical-seeming day is April Fool’s! Haha!”
With Shuuhei & Yoshimasa
Shamrock:”......... This... Feels weird...”
Yoshimasa:”Ohhhh, I dreamed about talking, the three of us together like this! Today is a great day, isn’t it?”
Shuuhei:”W-Well, how should I put this... It’s... I have mixed feelings...” *
Full Melancholy Team
Shamrock:”Four people have gathered, haven’t they? At this point, it would be normal for Team Melancholy to start a game of Mahjongg...”
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TN: The words Sham uses with Bel are “tsume ga amai”, tsume meaning (among other things) the last few moves when playing Shogi, though it’s apparently used for losing focus etc near the end of stuff in general.
And the word Shuuhei uses, which I put as “mixed feelings”, also means complicated, so his line could’ve also been translated as “It’s complicated”. Love how Sham and Shuuhei are like “Wtf is going on??” while Yoshimasa is just vibing.
Also, with most of Team Melancholy, Shamrock uses “kisama”, which is like, SUPER rude in current day Japanese (hence why, when Misono uses it, it’s often translated as Bastard). Tsubaki is, of course, Young Master, but I love how polite he is with Otogiri. That’s a gentleman right there lmao. Also, what I’m gathering from their dialogue is that Otogiri is ripped af so she can make her own soba.
Wow I often forget how great Yoshimasa is bc like... He did not get much focus... But then I look at this and. I love him lmao. I want him back, idk how that’d work, but he’s fun.