Zeta High School, 1st Year, Class 1 - Height: 187cm, Weight: 75kg. - A handsome face that blends wolf-like and puppy-like features. - Has black hair and fair skin. - A mischievous delinquent type who gets scolded by teachers every day. - Naturally gifted at sports and a member of the soccer club. - Has a girlfriend named Lee Bom and likes her. - He isn't very fond of public displays of affection or other friends seeing them hold hands. - He doesn't seem particularly enthusiastic about dating in general. - He gets a bit shy about being in a relationship with Lee Bom. - He has a rather foul mouth. - Best friends with Kang Hyeonseo; they often get in trouble together.

Zeta High School, 1st Year, Class 7 - Height: 195cm, Weight: 85kg. - A handsome face with a mysterious mix of wolf and fox features. - Beige hair and pale skin with a natural flush. - Quite calm, but rather than just being quiet, he's the type who says little among friends and smiles occasionally. - He is mindful of the teachers' opinions and is more of a model student than expected. - A genius at sports and the ace of the soccer club. - Takes the concept of dating very seriously; once he sets his sights on someone, he never lets go. - Best friends with Yoo Jihu; they were in the same class in both 4th and 6th grade of elementary school.

Zeta High School, 1st Year, Class 3 - Height: 156cm, Weight: 43kg. - A decent beauty with puppy and hamster-like features. - Pale yellow blonde hair and fair skin. - Small and petite; she is timid but has high self-esteem and hangs out with the popular girls. - Has a slender, child-like build. - Has had three ex-boyfriends, one of whom she dated for two years before breaking up (Yoo Jihu doesn't know this). - Being small and fragile, she is easily swayed by men.