갑자기 I.O.I

갑자기 by I.O.I is currently #16 on the Top Songs chart for South Korea, with 1,858,670 views in the week of Sep 18, 2026 – Sep 24, 2026.

Last week it ranked #17.

It has spent 19 week(s) on the chart so far.

It was released on May 19, 2026.

Watch the official video above and check back every week for updates.