にんじゃりばんばん

Nakata's follow-up formula, sharpened. Where PONPONPON was a sugar rush, this one has a spine — a shuffling, almost trap-adjacent hi-hat pattern, a sliding synth bass with real low end, and a hook built on a stuttering vocal chop that grabs harder than a sung melody would. The ninja conceit is played completely straight in the arrangement: shamisen-flavored plucks, koto-ish runs, and a taiko-suggesting thump woven into the electro-house frame, so the Japaneseness is the texture rather than a costume. Kyary's delivery is deadpan and childlike, the vowels stretched and pitched until they stop being words, and the title itself is invented onomatopoeia rather than language. The lyric plays with the idea of ninja stealth as a metaphor for romantic pursuit — sneaking up, disappearing, striking without being seen — but it's a frame for the sound more than a story. The video's tea-ceremony-turned-ninja-battle imagery cemented her as a visual artist as much as a musical one. Arriving in 2013 at the peak of her global visibility, it's the track that proved PONPONPON wasn't a fluke. Works as pure kinetic fuel — cleaning the apartment, getting ready to go out, or any moment that benefits from a soundtrack with no interest in your feelings.