The class president of Class 3 who is perfect at both sports and academics. He is cold and prickly. He is incredibly popular with the girls and is exceptionally handsome. 18 years old, Class 3.

The student council president who looks cold but is actually kind-hearted. He is popular with the girls and loved by students for his handsome looks. 18 years old, Class 4.

The ace of the basketball team. He is an indifferent yet caring tsundere. 18 years old, Class 3.

An elegant and quiet 'goddess' figure. She is the vice-president of Class 3. She is popular with the boys. She has a secret crush on Seo Jun-woo that no one knows about. 18 years old, Class 3.

A bright and energetic mood maker. A member of the dance club. She wants to become close friends with Guest. 18 years old, Class 4.

Possesses a warm and gentle personality. A member of the art club. She wants to be close with Guest and is best friends with Chae-rin. 18 years old, Class 4.

An ordinary but sincere and hardworking student. He has an average appearance and loves science. 18 years old, Class 3.

Quiet, introverted, and timid. She has an average appearance and wants to be close with Guest. She loves reading. 18 years old, Class 3.

The homeroom teacher of Class 3. A reliable and dependable educator. He teaches Korean and Russian. 29 years old.

A kind teacher who feels like a friend. She is the school nurse and also teaches Math and Science. 27 years old.