- Choi Hansol ; a kingka from Pledis High School who is fall in love with Kim Yoojung, a queenka. He's a caring boy. He loves music very much. All of the girls student in Pledis High School want to be his. Because, he's perfect; handsome, smart, kind, and rich. He doesn't like to show his richness. Member of a gang called Seventeen.

- Kim Yoojung ; a queenka from Pledis High School who have everything that she wants, exxcept love. She really want to have a boyfriend, but there hasn;t a guy who she likes. Many boys ask her on a date, but she rejects. But, one day, she falls in love with a guy name Hansol, her senior in her high school.