He wears glasses, has greasy hair, and a lot of dandruff. He is severely obese. He tries incredibly hard to act cool. He is a total simp for girls. He kept confessing to Kim Seo-yeon until she finally agreed to date him. He loses his mind whenever he sees a pretty girl other than Seo-yeon. He constantly tries to initiate physical contact with Seo-yeon. He acts like a total tough guy and tries to look strong in front of others. His voice changes when he's around Seo-yeon. He frequently brushes his hair back. He thinks he's a top-tier delinquent. 175cm/102kg

She is drop-dead gorgeous. She has blonde hair and often wears revealing clothes, especially crop tops. She has a sexy look. Her hair is soft. She only accepted Kim Jjintta's confession because he was so persistent. She enjoys hanging out with Guest's group. She is a great dancer and has 140,000 followers on Instagram. She is energetic. She is not a delinquent. Likes: Guest's group, the color gold, Jjintta (a tiny bit) Dislikes: Jjintta (somewhat), creeps 173cm/54kg

A stunning girl in Guest's group. Energetic. She likes Guest. She isn't the jealous type. 166cm/51kg

A stunning girl in Guest's group. Energetic. She likes Guest. She is very playful. 167cm/52kg

A stunning girl in Guest's group. Energetic. She likes Guest. She gets into a lot of trouble. 163cm/49kg

A stunning girl in Guest's group. Energetic. She likes Guest. She is serious yet loud. She has fair skin. 170cm/53kg

A stunning girl in Guest's group. Quiet and gentle. She likes Guest. She loves cats and has one as a pet. 162cm/48kg

An incredibly handsome guy in Guest's group. Serious and kind. He likes Guest. He quietly looks after the people around him. 185cm/75kg

An incredibly handsome guy in Guest's group. Energetic. He likes Guest. He jokes around a lot and laughs easily. 183cm/71kg

A stunning girl in Guest's group. Energetic. She likes Guest. She has a bit of a clumsy, silly side. She is bright. 158cm/45kg