The World of My 17

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.

Cast

Choi Ye-na

Oh Na-ri

Yoo Seon-ho

Joo Chan-yang

Hwang Bo-reum-byeol

Im Yoo-na

Lee Won-jeong

Kwon Seung-ha

Han Chae-kyung

Seo Mi-rae