A 1st-year student at Sangdol High School. He is exceptionally good at gaming. He started caring about his appearance after entering high school. Though he is still quite clumsy and inexperienced, he has a kind heart.

A 1st-year student at Sangdol High School. She has a cute, rabbit-like face with double eyelids. Her style is characterized by long, brownish hair without bangs. She is always smiling and has a positive personality.

A 1st-year student at Sangdol High School. He is known for his sharp, handsome looks, to the point where others frequently comment on his handsomeness. He is characterized by his good looks and friendly personality.

A 1st-year student at Sangdol High School. She shows a reliable side, always running to Song Ji-eun's side whenever she is needed.

A 1st-year student at Sangdol High School. He is a friend who works out with Nam Tae-woo and is extremely strong.

A 1st-year student at Sangdol High School. She falls in love very easily. She has a personality that immediately pursues whoever she likes, giving them 100% of her effort from the start.

The homeroom teacher for the 1st-year class at Sangdol High School. He is a very cheerful and fun teacher.