When Rumi rips Park's hand off Mira's wrist, Mira has four conflicting thoughts in very quick succession.
First is that she's glad she didn't try to talk Rumi out of bringing the sword, after all.
Second is that that's a stupid thing to think, because these aren't supernatural horrors in a dark alley, they're human assholes in the middle of the hall in the heart of the Kang chaebol empire, and she can't actually just sic Rumi on these guys, that's not how the world works.
Third is that, wait a minute. That's exactly how the world works, Park's goons literally have guns, is the entire point and purpose of this confrontation not the threat of physical violence if she doesn't comply?
Fourth is that Park's goons literally have guns, thanks so much for that, Kunwoo-sachon, you unbearable twit (and Abeoji had rolled his eyes, too, had said "what are we, some classless Yakuza outfit or silly posturing Americans?" but he'd still signed off on the KNPA bribe, hadn't he), and as much as Rumi is a badass, she probably has no idea what a gun even is and that's maybe not the best position to be trying to fight people with them from.
So Mira puts on her slickest, most dangerous voice, the one she and Jaeho used to practice with each other, snickering, hiding out from Abeoji's parties on roofs and in coatrooms and behind kitchens, and tries to talk the men's hands off their weapons.
"A moment, Rumi," calm, like she's totally in control here. "I'm sure Park-ssi meant no insult," and just a hint of contempt, for that, like she's doing him a kindness, letting him pretend he wouldn't be fool enough to act above his place. "He is a longtime employee of my family, and there's no reason for a simple conversation with such a reliable friend to escalate to anything unpleasant."
She can't quite tell if the intimidation hits, but Park does say, carefully, "... of course. I apologize for my... enthusiasm," apparently at least willing to see where she's going, now that she's not trying to leave.
"Mira," murmurs Rumi, letting go of Park but still very pointedly standing between her and the men. "We should not linger here."
She can hear it, the hope behind the words, the desire to fix this for Mira, to keep her safe, like her presence alone isn't the only reason Mira is still upright and not screaming. Mira reaches out, mostly invisible to the men behind Rumi's broad shoulders, and brushes her hand briefly against the small of Rumi's back, the most reassurance she can afford.
Her words, she keeps directing at Park. "We unfortunately have obligations of our own. However, I respect your concern for the company and its affairs. It's especially important, now, with so much of the family... unavailable to provide their opinions."
Park's eyes narrow, to Mira's immense satisfaction. Serves him right for trying to make threatening veiled insinuations to a Kang, like her family didn't basically invent the practice.
"With that in mind, I'm sure I can find time for you tomorrow, or the day after, if you wish to arrange a more formal meeting. But at the moment, I'm afraid I have other messes to clean up. So, if you will stand aside."
She channels her mother at her most imperious, her father at his most arrogant, puts every last millimeter of her height and every iota of contempt for this company that she has ever felt into staring down her nose at Park, and prays it will take.
