Main characters Introduction
 

      Eunji 

A new students in Quintus high school, she is an active girl, love to sing, listen to music and read books. She has a beautiful face, long brown hair and brown eyes, and she is 170 centimeters tall. Her father works in a company as a manager while mother works as her father’s secretary. Has a younger sister name Jung Eun Sol. She is good in taekwondo, but she doesn't know how to swim.
 

    Junhyung

F4 in Quintus high school, he is a good fighter, although he looks cool, but actually he is very gentle. He is a playboy in school. He has brown golden hair, charming eyes and he is 185 centimeters tall. Both parents are the chairman of Quintus high school. Always bully Eunji because he wants her attention. SWEETY~

      Suzy

A best friend of Eunji. Always share her secret with Eunji. She loves outdoor activities like cycling, swimming etc. She also loves to sing. She has long curly hair and sparkling eyes, and she is 160 centimeters tall. Eunji always protect Suzy from danger since the first day they meet. She has a crush on Wonho of F4.