As reported earlier, girl group Weeekly is making their long awaited comeback for the first time in over a year! Prior to this comeback, the group will be releasing a special fan song single entitled 'Good Day (Special Daileee)', for which, they have kicked off the promotion cycle with a series of concept photos.

In these concept photos, the girls are seen in a high school setting as they pose around the gymnasium. Fans could look forward to a preppy concept as per the group's previous releases. Check out the full photos below!

Meanwhile, Weeekly's upcoming special single 'Good Day (Special Daileee)' will be released on September 12, 12 p.m. KST. Stay tuned for more updates!