Vocaloid-adjacent intensity colliding with traditional Japanese narration. Kotonoha Project is a 2019 arcade title that pulled in heavy hitters like Keiichi Okabe, Neru, and rerulili. "KOTONOHA Karma" by rerulili hits with that signature fast-paced vocaloid aggression.
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"Reverb" by Keiichi Okabe (yes, the NieR composer) brings something hauntingly restrained. "Sennou" by Neru is sharp and driven, exactly what you'd expect from the artist. The structure alternates between Tomoaki Maeno's narration chapters and producer battle tracks, giving it this weird but compelling rhythm.
Each chapter intro sets up the next banger. It feels like a concept album disguised as an arcade soundtrack. If you want to hear what happens when top-tier vocaloid producers build an arcade game together, this is it.