Girl's Day had a surprise treat in store for fans with the news of their comeback, and they've revealed that they'll be showing different charms this time around with a ballad by Duble Sidekick!

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Their agency DreamT Entertainment announced, "Girl's Day will release a digital single, which is a ballad by Duble Sidekick."

Another rep stated, "Girl's Day will release a ballad song for their title track for the first time after releasing dance songs as their previous title tracks... The song is especially made for fans, and will showcase the members' colors and charms."

This good news comes not long after their previous comeback with "Darling" in July so stay tuned for more of your darlings later this month!