Yoon Shi So

Four high school girls navigate insecurities, challenges, and personal growth while forming deep bonds of friendship. As Oh Na-ri adjusts to a new chapter in her life, she finds support in her elegant childhood friend Yoo Na, protective classmate Sun Ji, and idol trainee Mi Rae. Together, they face struggles and discover the true meaning of friendship.

The story focuses on Yun Doo, a studious, normal girl. An old partner won't stop bothering her through messages, so she makes up that she has a boyfriend and posts a random photo of a guy. That picture turns out to be from Hyun Ho, one of the most popular and rebellious of the school. It's a school drama, with several romances in sight.