The debut song ‘Skibidi’ by Girls’ Generation unit Hyorisu, consisting of Hyoyeon, Yuri, and Sooyoung, ranked first on YouTube’s trending music Korean chart. The performance video also topped the daily popular music video Korean chart. Hyorisu is a unit that started with Hyoyeon's YouTube entertainment and continued into her actual music activities. The three members will appear on MBC’s ‘Show!’ on September 5th. They will also appear on the ‘Music Core’ stage.