The video likely performed well due to the use of a popular anime reference ('Kage Bunshin no Jutsu' from Naruto) combined with a trending dance, appealing to both anime fans and those following dance trends.
Summary
Two girls in school uniforms perform a dance routine in a classroom. They start with individual poses and then dance together in sync.
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Transcript, structure and on-screen text
4 beats, a 10-word transcript and 4 lines of on-screen text — the parts you need to write your own version.