The idol star's sudden actions have raised both curiosity and concern from fans. Many are especially sensitive toward her actions due to 4minute's unexpected disbandment in June. Although her Instagram account still exists, more than 366K followers are left wondering what's going through the idol's mind.

SEE ALSO: HYBE employees on Blind continue to expose Min Hee Jin for 'leeching' resources

You can check out Gayoon's Instagram here: @gayoon_heo.

Tip: Tehreem