Tone-wise, Riki-Oh refuses subtlety. It mixes righteous melodrama with gag horror and cartoonish villainy. One moment is thoughtful and stoic; the next, it’s a head-splitting, bone-snapping tableau meant to elicit both disgust and exhilaration. That tonal schizophrenia is precisely the reason viewers either love it or can’t finish it—yet many come back for repeat viewings.