>>16883223I never played the games (my computer doesn't run them) but from what I can see, it's a childish quirk of hers she always had, the recent screencaps I've been posting are evidence of those, and I assume she kept the quirk through her realization of her role in Hinamizawa as a way to make people think she's just a really childish girl when in reality, the amount she has suffered through exceeds a hundred years
Though by the end of the series, she seems to genuinely mean it when exclaiming "nipah"