The 'Flashback'�teaser images for�After School's NANA and Raina have been revealed!

The dark & sexy concept for both NANA & Raina fits in line with their previous photos for Jung Ah, Lizzy and�UEE.

In addition, the Pledis website stated that Jung Ah & Raina will be singing a duet track titled "Timeless".

Playgirlz and Playboyz should be looking forward to After School's 5th maxi single, 'Flashback', as it's been a year since the group has made a comeback. The single will be released in stores on June 21st and online on the 20th.

Bonus Photo of After School from their official fan cafe:



Source & Image: Pledis Official Website