Artist: south²（サウスサウス）
Song: Congratulations ~Atarashii Yume no Tobira~（Congratulations～新しい夢の扉～）
Release: 2021-03-01 (Digital Single)
2021-03-24 (GaruGaku. ~St. Girls Square Academy~ Complete Best Album)
Singer-
Misaki Tsuruya | 鶴屋美咲（ミサキ）
Youka Ogawa | 小川桜花（ヨウカ）
Kurea Masuda | 増田來亜（クレア）
Kira Yamaguchi | 山口綺羅（キラ）
Official Dance Performance Video (YouTube Ver.):
Stream on YouTube Music:
Stream on Spotify:
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Girls²-
Official Website:
https://www.girls2.jp/
Official Instagram:
https://www.instagram.com/girls2_official/
Official Twitter:
Tweets by Girls2_official
Official YouTube:
https://www.youtube.com/channel/UCiaowdmU8TziJd9RspD60yQ
Official Tik Tok:
https://www.tiktok.com/@girls20190625?
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GaruGaku. ~St. Girls Square Academy~
Official Website:
https://garugaku.com/
Official Twitter:
Tweets by garugaku