Hmm my take on Tsuenyo's response is that she is merely disagreeing with Kaori every chance she gets because of her prominent "disfavortism" towards her, and especially when Kaori termed the killing of chickens for food as "sacrifice" because in Tsuenyo's words, they die unwillingly. Perhaps she simply acknowledges that she IS taking lives from living creatures despite having a plausible reason
only on human's side. The rest of the slightly dark aspects about lives and everything is I'd say more from her weird personality.
For tori shio, I would say it's exactly because she loves ramen so much that she would not want to ruin even a single bowl due to her inexperience in making such dish (but why she hasn't made one this typical flavor before? maybe she DID dislike chickens after all? have to rewind her earlier events to check this).
I would tick Kirin off the list solely because
Prisoner is skippable, as well as the rest of her toxic relationships with Ayane; true that her feeling of being defeated during the science fair would still exist if she didn't barge on that day in the beach hotel, but that feeling would not get to ferment into something this foul (like if you missed
Prisoner, Kirin's interaction with Ayane would feel more like a bad friend, in comparison to a despicable scumbag if you didn't miss
Prisoner).
But I'd definitely put the hottest boogleman in Kumon-mi, Ms. Sekai Awakara on the suspect list (speaking of which, I feel like the word "tendrils" was once used in describing something/someone prior to this John event but I for the love of god cannot remember if that was true)
LOL I'd imagine Maya being so PISSED if the ultimate secret to everything boils down to some
birds. Sensei would be like "hey let's snap some chicken necks to save the world" and she'd be like:
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