I'm in unrequited love

Introduction of male lead, female lead, sub-male lead, etc.

전정국

18 years old/popular/handsome/only child/crush on the female lead

김여주

18 years old/pretty/popular/siblings/not interested in men

김민규

21 years old/female protagonist/handsome

김태형

19 years old/female protagonist/handsome

최승철

18 years old/best friend with the female lead/secondary male lead/handsome/popular

최수빈

17 years old/Seungcheol's younger brother/handsome/popular