Hashtag-neun Cheotsarang

Yeon Yi-Sol is a top student whose emotions are expressed through hashtags. When her former lover, Seong Shin-U, labels her with the hashtag "#TheTrashWhoWasMyFirstLove," she is hurt by the unexpected rejection. Confused and upset, Yi-Sol joins forces with Baek Seol, who harbors strong dislike for Shin-U. The nature of their alliance remains unclear—whether it is driven by a desire for revenge or unresolved feelings. The situation raises the question of who will ultimately be the one to suffer first.