Nene isn't as shallow as people often think. She's no dumber than many of the main characters; in fact, it's a misconception that any of the supporting characters would have done a better job. In fact, no, everyone is equally intelligent. Nene has what makes her such a beloved heroine: a gentle nature. This is precisely what's needed, allowing her to easily connect with new people, show interest and care for them, and ultimately make a lasting impression on them, making them not want to see this sweet girl harmed. Nene may have her flaws, but it's precisely this quality — her ability to connect with people — that allows her to shine. Few could pull it off: some out of a reluctance to invest so much energy (Aoi, Sakura), others out of personal principles (Akane, Amane), but only Nene balances the two.
And she's bound to make mistakes, but the funniest thing is, she learns from her mistakes. "Thinking only of herself" was actually the starting point of her development; she acknowledged her mistake in the very first chapter and was then able to push Yako to accept it in turn. She fell for the confession tree, and so now she interrogates Hanako to find out what he really thinks, so he'll tell her in words and out loud. And where was she wrong? Amane liked her, and he kissed her. Many of Nene's musings ultimately turn out to be close to the truth. She doesn't fail in every single one of her conclusions; in fact, she fails in half or even less, which is a realistic deviation; no one can be right about everything.
This is what allows Nene to be realistic and at the same time relatable, and this ability to be loved not despite, but because of, is essential to her role. Nene is the main character on stage, appreciated by many, by readers and the crowd of strangers she meets along the way. She shows them her good side, and the characters warm to her, while the audience says she's naive and annoying. But it's not that Nene is actually stupid and doesn't understand what's going on, that she's driven by her fantasies and a complete idiot, haha. Nene understands perfectly well what's going on. Not thinking about it is largely a psychological defense mechanism; of course, there's some bias on her part, but the point is that even so, Nene is nonetheless aware of what's going on. It's not frivolity, but an attempt to maintain a positive attitude. Aidairo likes to abuse this trait not only in Nene, but also in Hanako, Tsukasa, Kou, Mitsuba, Teru, Sumire, Aoi — literally everyone! It irritates me too, but nothing can be done about it, and Nene isn't the worst for acting like everyone else. Back to the point; even Hanako tries to look down on her, curbing her as she gets her toys on the far shore, and what does Nene say? She gets angry, she exclaims that, actually, she understands everything, it was her personal choice to come here, she's literally ready to sacrifice her life for Aoi, something few seem to appreciate. This is more than just running away with her first failed crush; this is another attempt by Nene to correct her mistakes; she formulated her wish incorrectly and is now ready to pay for it by sacrificing herself for her friend. Hah. And the readers and Hanako look down on her, believing everything Hanako says next, mansplaining to her, gaslighting her, calling her an infantile fool — why does he do this? To dissuade Nene from dying. Not because he truly thinks she's stupid. Hanako resorts to his persuasion tactics again, and Nene cries because she genuinely doesn't want to die; she simply doesn't see another, third option. Of course, this one isn't ideal, but seriously, she came up with what she could, and it wasn't an easy decision.
So, Nene is aware of many things, but she often chooses to focus on the positive aspects of a situation, earning her the label of stupidity, even though she's simply trying to keep the mood in the room. But you can't please everyone. In general, yes, she's biased, but in a different way than the crude "living in her own world of illusions." Nene rather plays with concepts as she sees fit, to whitewash someone. In this way, she forgives Hanako a lot, but if she didn't, she wouldn't be the salvation of this downtrodden schoolboy. How she becomes this ray of light for other people. Characters are drawn to her because she will accept the good in them, and that can be worth a lot. And even Hanako, who gets angry when he's vindicated, who resents Nene for this, still subconsciously feels comfortable around her, so radiant and warm. If Nene had more principles, everything would be different, but she is ready to turn a blind eye to murder if Hanako is nice to her; the same thing, by the way, happens with Kou, he was ready to accept Hanako for his small good deeds, which made both Hanako and Teru angry, lol, but Kou is not condemned as a biased and bad exorcist so widely.
Nene plays with concepts, searching for something lovable in everyone. It's not love for fictional images, but for the real qualities demonstrated to her. She focuses on these and forgives grave sins. Is this fair? Who knows. But she's the protagonist of the theme of angelic innocence, something Aidairo loves in an old-fashioned way. And one more thing about Aoi, based on this. I've said many times that, to a large extent, in chapter 96, Aoi is also responsible. Relationships are the work of two people, not just one. If Nene has been accustomed for Aoi acting one way for years, she won't magically realize that Aoi is now truly completely different and has understood everything. How much of this is all issues in Aoi's head: for her, letting her hair down in front of her friends is a big step, while for Nene it might be something so mundane that she wouldn't even understand — since she's used to dressing up for outings. Everyone perceives things differently, one way or another. It's important to note that Nene knew Aoi was hiding something from her, and it bothered her, but people don't talk about it at all. Anyway, Aoi comes out to Nene and tries to apologize, and Nene quickly hugs her and says she's glad the old Aoi is back, which reads as an unwillingness to accept the "real" Aoi — which is reinforced by Aoi later closing off again and pretending. And it's all Nene's fault. Although this situation can be viewed in many ways, and it's turned this way specifically because of Aoi's actions. I don't understand the point of blaming Nene for not understanding Aoi's telepathy and hugging her too quickly, or for not asking how she's feeling — it's incredibly slanderous, when Nene literally asks exactly that on the veranda, and Aoi denies it.
Aoi is afraid again and chooses to remain silent, even though she's been feeding Nene her image and lies all these years. While that was difficult before chapter 69, now she's sort of reconsidered her values, hasn't she? She's still very afraid to open up or anything like that, but Nene won't stage a death scene or knock her to the ground and then tell her she hates her just so Aoi can open up to Nene. What happened with Akane is a precedent, and other people won't, or even can't, recreate the same situation to get through to Aoi. Nene has always suspected that Aoi has secrets, she is happy to see her, she asks how she is and what happened, but Aoi is afraid and silent, again and again, and then she says that she does not want to burden Nene - either this is an excuse for her cowardice, which is funny, or these are sincere words, which in this case is her personal choice, for which Nene is not responsible. And what's the funniest thing here? It's that Nene is still that optimist, playing with concepts. She's willing to overlook Hanako's actions because she likes him. Doesn't she like Aoi? Perhaps learning the truth after all this time would be more shocking, but still, what are the chances that, having learned about Aoi simply that she suppressed her negative emotions (she didn't even kill or dismember anyone; her whole dark secret is social anxiety), which led to her such a violent breakdown (again, drugs were involved, which is important) — what are the chances that, having learned the reasons for Aoi's actions, Nene wouldn't have come up with a way to justify her as well?
And I'm saying justify, not invent a fantasy about Aoi. Nene knows Hanako isn't a bishounen, but she still likes this skinny, awkward seventh-grader. She didn't invent something about him that's different, and she doesn't tell him to change his appearance. If Nene loved falsehood so much, she wouldn't want to leave the fake world of the perfect picture, haha. It literally felt weird for her to hang out with the perfect, popular Amane; she'd gotten used to her skinny, awkward Hanako. It might be hard for her to give up the hype of Aoi being the queen of popularity (but then again, that's a fact, and it won't change if you hate it), but maybe Nene would be at least open to the idea that Aoi sometimes feels bad and can act unpleasantly. Because a lot of people do, but Nene is friends with the harassing Hanako and the teasing Mitsuba. It wouldn't have been such a big deal that Aoi had other moods, and Nene would have found a way to justify the centipede thing without resorting to the straightforward idea of "that's not how good and true Aoi behaves." It would have been more like, "Sixth forced her to do what he wanted, and Aoi was basically in a bad mood, but she didn't really mean to hurt us, so that behavior doesn't affect Aoi's being good." Maybe that still sounds biased, but hey, the characters are drawn to Nene for this forgiveness and it's just Aoi that doesn't fit? Either way, I think Nene would have been able to play with the concepts in a way that would have accepted at least part of Aoi's character, and certainly not ignored it. Nene doesn't ignore it, she knows some things, and she remembers everything she knows, she just chooses to act as if that's not what's important. And it's pretty hard to judge her in that situation.
She can't be responsible for absolutely everything, and when she tries, she's called childish, overestimating her abilities. Because people don't really appreciate kindness that comes too easily, by default, and so Nene's fate is actually quite unenviable. Sooner or later, she'll be devalued, repeatedly, for various reasons, because she tried too hard to fix everything. And this doesn't come from being a ghost with half a century of experience or an exorcist with exceed capabilities. Nene can be overly forgiving, but does she have to become callous to be taken seriously? Oh no, I don't think so.