Girl's Day haven't even debuted in Japan yet, but their presence is still on music charts!

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Their agency Dream T Entertainment announced on September 30, "A day before the release of Girl's Day's Japanese debut album 'Darling', it's ranked in at #1 on nationwide single charts on Tower Records." Before releasing 'Darling', Girl's Day promoted at 28 shows in 14 days along with 3 live concerts, meeting 15,000 fans.

It looks like their promotions worked! Congrats to Girl's Day!