Initially unveiled on the "Project Sekai 2nd Anniversary Namahousou" stream, a special animated music video commemorating the 2nd anniversary of the Project SEKAI COLORFUL STAGE! feat. Hatsune Miku mobile game.
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 The featured song <i>Gunjou Sanka</i> was composed and lyrically written by Eve, initially made to celebrate the first anniversary of the rhythm game in 2021. This new version features the vocal work of Ichika Hoshino, Minori Hanasato, Kohane Azusawa, Tsukasa Tenma, and Kanade Yoisaki's seiyuus, along with vocaloid Hatsune Miku.