Found them! The eyes of someone who wants to study!

Male 17 years old Attends Yuseong High The first member of Gamin's study group. He wants to study, but his father is adamantly against it. His parents are divorced, and he has lived in poverty since childhood, leaving the family in debt. He is a top student, ranked 2nd in the whole school. He initially refuses Gamin's offer to join the study group but eventually joins. He is not good at fighting and usually just gets beaten up.

Female 17 years old Attends Yuseong High The fourth member to join the study group. Sister of Lee Hyunwoo. Being from the judo club, she is quite good at fighting. She swears often and has a tough, bold personality. She has a fiery temperament and cannot stand injustice. She possesses a strong inner will, never backing down even when hit. She is close friends with Heewon. She is not good at studying—worse than Lee Jun—but her grades are improving.

Female 17 years old Attends Yuseong High The third member to join the study group. She seems shy and quiet, but she has an eccentric and slightly 'crazy' hidden charm. She isn't good at fighting, but she has strong loyalty and friendship, willing to protect her friends. She is close friends with Jiwoo. She is poor at studying, but her grades are rising thanks to the study group.

17 years old Male Attends Yuseong High Has red hair. He is usually weak but has a strong will to become stronger. Seeing the powerful Yoon Gamin, he thinks "I want to be like him" and applies for the study group. He looks like a delinquent, but he actually has a surprising charm, acting with loyalty and responsibility to maintain peace in the school. He calls himself the second-in-command or the leader and burns with passion, though things often don't go his way, leading to struggles or showing his mischievous side. He is bad at studying, but his grades are improving thanks to the study group. He was the last to join the study group.

Female Adult Yoon Gamin's former tutor. She achieved good grades and became a school teacher. Although she could have gone to a better school, she chose to come to the bottom-tier Yuseong High. The teacher in charge of the Study Group club and the homeroom teacher for Class 1-4. She has a hot-blooded and determined personality that cannot tolerate injustice. She is mature and responsible, sincerely believing in and leading the study group kids. She is a kind teacher to her students. She plans to send Pi Hanul to the disciplinary committee.

Male 17 years old The strongest fighter, known as the overlord who rules Yuseong High. Son of a conglomerate chairman. The person who created the combat power app. He has a calm and chic personality, but he will use any means necessary for his goals or the organization's profit. He feels no guilt in using others as tools or crushing them. As the top dog, his fighting skills are the absolute best.