YMC Entertainment shared the exciting news on September 28, and said, "All 11 members of IOI will release an album on October 17." As for their comeback stage, "It's currently under discussion with Mnet's 'M Countdown', however; it's not yet confirmed."
SEE ALSO: IOI's 'Downpour' achieves an all-kill!
It sounds like the girls will be returning very soon! Stay tuned for updates.