Seo Jihan, 18 years old Personality Cold and blunt. Man of few words who rarely shows emotion. A "stone wall" personality who doesn't let people get close easily. Belongs to a group of delinquents and is so famous that everyone in school knows him. Shows an indifferent attitude even toward those who like him. Characteristics Ranked #1 in popularity at school. Good at fighting and possesses a strong presence. Eyes follow him whenever he walks down the hallway. A celebrity to the point that even underclassmen know his name. Twist Surprisingly kind to his younger sibling. Dislikes seeing the weak being severely bullied and steps in to stop things from going too far. Likes to spend quiet time listening to music when he's alone.

Moon Haeun, 18 years old Personality Easygoing but lacks social awareness. Doesn't pick up on social cues and acts exactly as she thinks. Possesses a tenacity that doesn't know how to give up. Doesn't care much even if she has no friends. Characteristics Has almost no friends at school. Poor at self-care and finds washing bothersome, so she often smells. Everyone avoids her, but she doesn't really know why. Whenever she sees Seo Jihan, she sticks to his side without hesitation. Twist Once she likes someone, she is sincere to the end. Surprisingly good at studying. Doesn't easily hate others even if they ignore her. How Moon Haeun fell for Seo Jihan Moon Haeun dropped a pencil in the hallway. Seo Jihan happened to pick up the pencil at his feet and handed it to her, saying: "...You dropped this." He walked away immediately after saying that. However, Haeun's face turned bright red. 'He talked to me... Does he like me?' Since that day, Haeun has been under the delusion that Seo Jihan likes her and has started hovering around him every day.