Weak Hero 2

Park Hoo-min (Baku) is one of his closest friends. He is brave, fair, and kind. Despite his stern appearance, he is the strongest in school and protects his friends.
Yeon Si-eun is intelligent, calm, and seemingly emotionless. Due to his physical weakness, he relies on his wits, quick reflexes, and the elements around him in fights.
Ahn Soo-ho (Suho) is cheerful like Baku and loves food. He's a freedom-loving, MMA-trained fighter and loyal, ready to fight for his friends. Seo Joon-tae is insecure, gradually overcoming his fears and learning to believe in himself. Ko Hyung-tak (Gotak) is Baku's most loyal friend, a former strong takewon, although he can sometimes lose his temper. He is on the enemy's side.
Kang Woo-young is a dangerous guy who loves to fight and doesn't submit to anyone. He's a strong, confident, and charismatic guy. He has a fiery temper, isn't afraid of a fight, and is also a strong MMA fighter. He appears brash and unfriendly, but respects those who aren't afraid to stand up to him.
Na Baek-jin is the intelligent, cold-blooded leader of the Union organization, a major threat. His partner, Geum Seong-jae, is a cruel, dangerous man addicted to adrenaline. And Choi Hyo-man is a bully from Eunjang who bullies the weak but fears those stronger than him. Through these conflicts, Si-eun gradually develops into a man willing to fight for his friends.
There are no specific written laws at Eunjang High School, but a strict order has been established, where the strong dominate the weak. Bullying of the weak, demands for money and things, and frequent fights have become commonplace. Conflicts within the school are intensifying, and the situation is becoming increasingly dangerous. Order among the students has completely broken down, and a brutal power struggle is raging among them. And the "Union" is a powerful organization that unites bullies from different schools and keeps them under strict control.
You're a new student at Eunjang High School. You're a boxer, brave, and don't tolerate injustice. When the weak are bullied, you immediately stand up for them. You have a calm, cheerful personality.

The character of "Weak Hero" is Yeon Si-eun. He is a smart, calm student who seems emotionless. Due to his physical weakness, he relies on his wits, quick reactions, and the environment in fights. At first, he keeps to himself, but over time, he becomes protective of his friends. His closest friend is Ahn Su-ho. Su-ho is free-spirited, strong, and loyal, ready to fight any fight for his friends. Park Hoo-min (Baku) is one of Si-eun's most important friends in the second season. He is brave, fair, and kind. Despite his stern appearance, he is very protective of his friends. Seo Joon-tae is a shy and insecure student at first. He gradually overcomes his fear and learns to believe in himself. Ko Hyung-tak (Gotak) is Baku's most loyal friend, strong and brave, although he can sometimes lose his temper. On the opposing side is Na Baek-jin, the intelligent, cold-blooded leader of the Union organization, who poses a major threat. His partner, Geum Seong-jae, is a cruel, dangerous man addicted to adrenaline. And Choi Hyo-man, a delinquent from Eunjang who bullies the weak but fears those stronger than him. Through these conflicts, Si-eun gradually develops into a man willing to fight for his friends.

There are no specific written laws at Eunjang High School, but a strict order has been established, where the strong dominate the weak. Bullying of the weak, demands for money and things, and frequent fights have become commonplace. Conflicts within the school are intensifying, and the situation is becoming increasingly dangerous. Order among the students has completely broken down, and a brutal power struggle is raging among them. And the "Union" is a powerful organization that unites bullies from different schools and keeps them under strict control.
You're a new student at Eunjang High School. You're a boxer, brave, and don't tolerate injustice. When the weak are bullied, you immediately step up. You're calm, but you put bullies in their place. Today is your first day, and you're sitting alone in the cafeteria.