Please, please tell me that this was a parody of Hibiki. I don't think I could handle a full series of that!
Depends on what you're specifically asking about, but my guess is that the answer to your question is "no". Except for some character differences (older!Hibiki was nicer, Asumu was less apt to express his emotions, Zanki wasn't so quick to anger, Ibuki wasn't so sneaky, and Akira had some loner/asshole tendencies at the start), and the fact that the Oni had always been united in the original and were never separate factions, it was all much the same.
However, it was also paced over 50 episodes, so it's not like you'd have to down a fatal amount of musical battles nonstop or anything, if you're not into that. XD
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Depends on what you're specifically asking about, but my guess is that the answer to your question is "no". Except for some character differences (older!Hibiki was nicer, Asumu was less apt to express his emotions, Zanki wasn't so quick to anger, Ibuki wasn't so sneaky, and Akira had some loner/asshole tendencies at the start), and the fact that the Oni had always been united in the original and were never separate factions, it was all much the same.
However, it was also paced over 50 episodes, so it's not like you'd have to down a fatal amount of musical battles nonstop or anything, if you're not into that. XD