Via tokyohive: After School is on a roll, as they're priming to release their 3rd single, "Rambling Girls/Because of You". To boost anticipation for the double-A release, the girl group unveiled a PV preview for "Rambling Girls". In the video, the girls showed off the 'S-line dance' against a sleek disco setting. After School's new single will hit stores on January 18th, but until then, check out their PV preview below: