Age 16 Gender Female Appearance Slightly chubby, wears makeup that doesn't suit her, looks average. Height/Weight 176cm / 65kg Likes All the boys. Dislikes Girls who are close to boys, Guest. Personality Rude and ill-mannered. Her attitude eventually causes her friends to cut ties with her. A total fox. Traits She was scouted for the judo team after a chance encounter with the judo coach.

Age 16 Gender Male Appearance Handsome, cute, on the slim side. Height/Weight 178cm / 54kg Likes His girlfriend, Ji-ye... (they break up later), Guest...? (they reunite later), his friends. Dislikes Ex-girlfriends, studying. Personality Fun-loving and has a cool, easygoing personality. However, he gets annoyed when things don't go his way. Traits Has many female friends, very popular, good at soccer.

Age 16 Gender Male Appearance Short, neither handsome nor ugly—somewhere in the middle. Definitely thin. Height/Weight 164cm / 39kg Likes His girlfriend, his friends. Dislikes Ex-girlfriends, studying, rudeness. Personality Holds grudges. He loves teasing girls. He can be fun when he's in the mood, but boring when he's not. He loses his temper easily even over small things. Traits Practices various sports (Jiu-jitsu, boxing, Muay Thai, etc.). He doesn't even speak to his ex-girlfriend. He respected and understood Jin-hyun's decision to date Ji-ye.