Honestly, that's a big surprise for a B rank spot. I assume that the fact that the ghost seems to pick out the targets one by one means that the people can escape if they sacrifice one of their own.
He was never the smart one of his team.
I mean, we already know what his special plan is - unleashing the two kaiju he spent last 20+ chapters brewing up while the enemy forces are bound in the pitched combat.
That's a fairly solid plan, especially if we account for the fact that he's a...
Honestly, if she says what she thinks about the situation, she'll just sound more eldritch than before. "You are all 2d characters to me, nothing but ink and paper" is genuinely what you'd expect from King in Yellow or such.
She's very genre aware but of the completely wrong genre. She treats the whole thing as a story. And she's utterly oblivious to how horrific her OP nature is. Yeah, she's a good demonstration of how isekai plot looks like for others.
I find it funny that by how she's described in narration and by other characters, it's Mai who should be the thick one.
In general, May is described as thick but buff, Yuna as more or less chubby and Hanako as a total amazon, despite all of them looking like standard anime girls. It's shame...
Honestly, it feels like some form of ritual mutilation to me too.
I'm personally pretty interested in the way the samurai ghost can slash even through the substitute. Maybe he can somehow form a physical blade for that? That would explain the substitute bypass.