Toshikoshi Ensemble!! 2020→2021 (Song)

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Note
The song itself is merely a medley of Stars' Ensemble!, Walk with your smile, and BRAND NEW STARS!! that was prepared for the ES Countdown Live held in-app at 12/31/2020, 23:57 JST. You can find the lyrics for those songs on their respective song pages linked above. MV= Song Titles=