18-year-old Hui Su, secretly in love with his best friend Chan Yeong, teams up with Seung Won to win him back but faces unexpected feelings.

The series tells the story of Oh Ha-rin, who travels to the past through mysterious photos left by her first love, Ji Seo-jun. Since they were eight years old, they…

School 2021 is the story of students attending a specialized high school and seeking their ambitions, rather than going off to college. It will delve into how these students learn…