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If you've read this far and you don't feel combative towards my opinion as most people here, thank you. If your intent is still on mocking me, you're just proving my "brownie point" argument. I won't blame you for following the grain to feel accepted by the majority,
Okay, imagine for a moment, that I'm not mocking you, but am actually giving the counterpoint. I want you to imagine that, because that's actually the case.
I've already made this point several times, but you've ignored it, or you just completely missed the argument, IDK.
What you want is for the story to move in a problem solving direction.
I.e. you want Mieruko to actively work to improve her situation. To learn more about the spirits; learn more about which are safe and which are not; learn how to defend, learn how to attack.
At this point, you should understand that I understand what you're looking for. I also think that such stories can be good stories. (And if I were personally in Mieruko's situation, this is what I would be doing.)
But that would be a different story than the story the author is telling. And the resulting feel of the story would be quite different from the story that the author is giving us. And those different styles of stories have different audiences. What you want is what I called "Action Horror" genre, vs what Mieruko is, which is more straight "Horror".
People are objecting to your desires because you keep arguing that Mieruko should not be the genre that it is (that already has a large audience that likes it specifically for what it is), and instead be a different genre which would have a different audience.
This is exactly point that I made previously (in a much more succinct way) when I responded earlier:
Expecting a Power Up Fantasy from a Slice of Horror manga?
The reason that it's moving slow, the reason that Mieruko is not going out and trying to solve things is that the fundamental core of the story is that
Mieruko is not a person who Combats Horror, but a person who Endures Horror.
If that is a story that you don't like, then quit reading it. [Taking bets now on likelihood of a "Don't tell me what I can read!" response.) This isn't an insult or command, it's just an obvious point: If something isn't your cup of tea, then quick drinking it!
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Now you might criticize the author for Mieruko acting unreasonably just to stick the the genre. But the author does a fair job of doing that.
- It's difficult to teach about the spirits, because the spirits are all over the place, and if they hear you talking about them, they'll attack. (E.g. Mieruko and grandma in the diner.)
- Different people see the spirits differently. (Rom explicitly states this, notably for the picture of the deathly(?) bystander.) It's not just a question of seeing more or less, but rather Rom sees that same thing differently. And since they see things differently, Rom can't say something like "If it looks like X, then it's bad." because Mieruko wouldn't see "X", she would see "Y".
- Rom also stated explicitly that he didn't really have a guide to when something is safe or not. Rather, it's just a sense that he and others picked up because they had the ability since birth. Mieruko only recently gained the ability, so she doesn't have a sense yet.
- Also (and somewhat contrary to my previous point), in this chapter there was the rule about "if the crystal fractures" that Rom was telling someone (probably Mieruko, since she reacted but Julia did not). So, if that's right, then Mieruko is getting some instruction.
The overall feel that the author gives us, is that in this world, spiritualists are mostly on their own, having to work out their own paths. I.e., the author sets up lore that fits with the genre/audience that the author is shooting for.