
The World of My 17 ·소녀의 세계
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.
- Created By
Choi Seon-mi
- First Aired on
Apr 22, 2020
- Popularity: 6.9736
- 11 votes
- Networks
- (KR)(KR)
- Production
tvN D
- Status: Ended
Show Ended
2 seaons till Jan 14, 2022
Last episode: Episode 10
Seasons & episodes
Total 2 seasons, 22 episodes

Season 1
Aired
Episode 1Episode 116 min
It tells the story of four high school girls and their struggles, disappointments, and precious memories as they grow together, learning to become true friends for one another. Oh Na Ri is a high school freshman who feels confident after she successfully lost weight. However, her self-esteem is lowered by pretty girls she meets named Im Yoo Na, Im Sun Ji, and Seo Mi Rae. Although she dreams of normal school life, she is met with numerous trials. Im Yoo Na is Na Ri’s childhood friend and a classy girl. She is not lacking in any aspect, whether it’s her appearance or her family background. However, she grows exhausted at fake people around her. She only considers Na Ri as her one true friend. Im Sun Ji, who appears innocent in the appearance, but is in the front to stand up for Na Ri when she faces trouble. Seo Mi Rae is a popular girl among the students. Although she is busy as an idol trainee, she becomes curious about Na Ri after realizing how much Yoo Na admires her.
Episode 2Episode 213 min
Overview not available
Episode 3Episode 314 min
Overview not available
Episode 4Episode 418 min
Overview not available
Episode 5Episode 515 min
Overview not available