Season 1

Ga-min is passionate about studying and puts all his efforts into it. However, he never received a good grade, which made him go to Yusung Technical High School. The school is known as a gangster training school, and un…

Ga-min gets into an unexpected fight against Hyeon U, a school bully. As the fight goes on, the two become the center of attention of everyone in school. At that moment, a man enters the classroom that has become a mess…

Someone applied to the study group. Ga Min is excited to meet the applicant, but it turns out that it is Ji U, Hyeon U’s twin sister. Kyu Jin, a member of the student council, picks on Ji U, and Ga Min confronts him. Ha…

Jun is impressed by Ga Min who defeated the rankers. He applies to join the study group and asks Ga Min to teach him how to fight. However, Ga Min rejects him because he only wants students who actually want to study in…

The study group is finally complete. But the school’s top student, Kim Ho Min bullies Se Hyun, who grew up in the same neighbourhood. He tramples on Se Hyun’s pride and beats him up, calling him a poor loser. Ga Min ste…

Ga Min breaks the curfew that he promised because of Se Hyun, and his mom tries to transfer him to another school. Han Kyeong and the study group, who can’t give up on Ga Min, persistently chase after Ga Min’s mom and t…

Ga Min runs into Pi Han Ul’s bodyguard, Kim Sun Cheol, at the hospital where his mother is hospitalized. Sun Cheol was working for Pi Han Ul because he needed to take care of his sick grandfather. In order to pay his gr…

The Study Group sneaks into the Reserves General Meeting and struggles against the Yeonbaek Gang. Pi Han Ul forces Kim Sun Cheol to make a false confession to Detective Na Tae Man. Meanwhile, the fated midterm exam fina…

The Student Council Committee will summon Han Ul, and Han Ul’s past is revealed. Han Ul comes up with a scheme to stop the committee. He makes fake news and puts it online to make it go viral. Because of this, the study…

The study group members find out about the incident Han Ul was involved in a year ago and why he is so obsessed with the school gang. Since it might put Han Kyeong in danger, the members try to come up with a solution t…