The following day, they made their official debut on Mnet's M! Countdown and performed their single.
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It was followed by the song and video's full release on September 1, and the group officially debuted on the following day on Mnet's music program M! Countdown.
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Wonder Girls' Hye Rim tweeted about Dalmatian's Day Day saying "WOW! My rap teacher (Day Day) for "lip gloss" debuted ..... Dalmatian!! Congratulations......"