To be honest, my biggest problem with my whodunnit theory in Higurashi (at least, for the "Final Mystery" proposed in Himatsubushi) is that it seems pretty obvious, especially after Tatarigoroshi -- that's why I'm not certaintly sure. But that person is definitely too sus, and trying to explain in a human way how some stuff could happen with her only makes them even more suspicious in the great scheme of things. Even if I don't know WHY would they make that.
It seems like Ooishi and Akasaka believe there was one single person behind everything that had been happening in Hinamizawa during the last years, but Rika seemed to think the Watanagashi murders and her own murder in the last year were two different crimes, with the latter being even against the wishes of the first perpetrator(s). Mmm...

Would you like to read my theories? 👉👈 You don't have to say anything... I don't have anyone else to talk about them!