[MelOn Premiere Teaser] I.O.I _ 'Dream Girls' Debut Showcase
[MelOn Premiere Teaser] I.O.I(아이오아이) _ 'Dream Girls' Debut Showcase (데뷔 쇼케이스 티저) Girls with Big Dreams, I.O.I's Debut Showcase! Eleven girls of I.O.I, chosen by the viewers as producers! Their dreamy debut showcase,