The music video for I.O.I’s “SUDDENLY,” released on May 19, 2026, for their 10th anniversary comeback, is a nostalgic, emotional, and beautifully nostalgic visual that feels like a warm reunion with fans. The MV captures the heartfelt essence of the song with soft, dreamy visuals, warm golden-hour lighting, and sincere performances from the members. It beautifully blends present-day scenes with flashbacks from their iconic 2016 debut era, creating a touching full-circle momen