Ep 6
3+4!
Idol · Highteen 50 Episodes
In 2026, Nahyun of At Heart, who was preparing the new song "3!4!", time-slips to 1996 the moment she calls a mysterious pager number and meets the girls of "Samsunss" who dream of debuting.
Cast: Na-hyun, A-rin, Mi-chi, Keiteullin, Aurora, Seo-hyeon, Bom, Hyun Bong-sik, Chae-ri-na, Lia Kim