Sinopsis
I.O.I Unit Countdown was a special live broadcast that aired on Mnet on August 8, 2016, at 11:30 PM KST, right before the release of the I.O.I sub-unit's single album Whatta Man.
I.O.I Unit Countdown was a special live broadcast that aired on Mnet on August 8, 2016, at 11:30 PM KST, right before the release of the I.O.I sub-unit's single album Whatta Man.
