Weak Hero Class Season 2 it officially premiered on Netflix on April 25, 2025, continuing the action-packed and emotional story of Yeon Si-eun and her friends. Based on the popular webtoon by Seopass and Kim Jin-seok, this second season brings a new dynamic with complex characters, both protagonists and antagonists. This article will explore interesting facts about all the main characters in Weak Hero Class Season 2, provides in-depth insight into their roles, character development, and the unique facts that make them so memorable.
1. Yeon Si-eun (Park Ji-hoon): Sang Protagonis dengan Trauma Mendalam

Yeon Si-eun, played by Park Ji - hoon, remains the center of the story in Weak Hero Class Season 2. He was a model student who was ranked in the best 1% of his class, but physically looked weak. Even so, Si-eun has extraordinary intelligence and analytical abilities that make her able to deal with bullies with clever strategies.
Interesting Facts:
- Trauma from the first season: Si-eun is still haunted by guilt for failing to protect her best friend, Ahn Su-ho, who fell into a coma as a result of a brutal attack in the first season. This Trauma made him initially close off from new friends at Eunjang High School.
- Emotional Development: Park Ji-hoon revealed that he focused on Si-eun's eye expression to show his character's desperation and hesitation in opening his heart to be friends again.
- “Brain Action”: Si-eun is known for her fighting style that relies on intelligence, such as utilizing surrounding objects and knowledge of physics to defeat stronger opponents.
2. Park Hu-min (Ryeo-un): golden-hearted leader

Park Hu-min, otherwise known as” Baku", is a new character played by Ryeo-un. He is a student of Eunjang High School who is known as the strongest fighter with a high sense of Justice.
Interesting Facts:
- Physical Transformation: Ryeo-un put on more than 10 kg of weight to play Hu-min, showing his dedication in bringing a physically strong character to life.
- Unique Personality: Although strong, Hu-min prefers drinking milk to smoking, distinguishing him from other school bully stereotypes.
- Natural Leaders: Hu-min enforces the rule of “no fights in the school environment " in support, showing his fair and protective nature.
3. Seo Jun-tae (Choi Min-yeong): The Brave Underdog

Seo Jun-tae, played by Choi Min-yeong, is an Eunjung student who was originally known as the “bread shuttle” – a term for students who were bullied into doing small tasks like buying bread. However, his courage grows after meeting Si-eun.
Interesting Facts:
- Character Journey: Jun-tae initially looks weak, but is inspired by Si-eun to fight bullies, showing hidden inner strength.
- Acting Approach: Choi Min-yeong focuses on how Jun-tae finds his courage, making his character relatable to audiences who once felt oppressed.
- Relationship with Si-eun: The theft of Si-eun's phone by Jun-tae (at the bully's behest) becomes the starting point of their friendship, marking a major change in Jun-tae's life.
4. Go Hyun-tak (Lee Min-jae): Petarung Taekwondo yang Setia

Go Hyun-tak, played by Lee Min-jae, is Hu-min's loyal best friend and a former taekwondo athlete who is adept at action scenes.
Interesting Facts:
- Action Ability: Lee Min-jae is proud of his action scenes, which stand out thanks to his character's background as a taekwondo athlete.
- Loyalty: Hyun-tak always supports Hu-min and Si-eun in the fight against bullies, showing the value of a strong friendship.
- Supporting Roles: Although not a leader like Hu-min, Hyun-tak has an important role in strengthening Si-eun's group dynamics.
5. Na Baek-jin (Bae Na-ra): Antagonis Karismatik

Na Baek-jin, played by Bae Na-ra, is the leader of the Union, a student gang alliance that poses a major threat to Si-eun and her friends.
Interesting Facts:
- Charisma and intelligence: Baek-jin is described as an accomplished fighter with a sharp mind, making him a fearsome opponent. Bae Na-ra did in-depth research to create a fast-paced but impactful action style.
- Tragic Background: Although antagonistic, Baek-jin has a tragic backstory that makes him more complex than just a cover. The changes to the webtoon's original story made the character feel corny to some fans.
- Mysterious Fate: At the end of the second season, Baek-jin disappears, and there is speculation that he was killed, leaving room for a third season.
6. Geum Seong-je (Lee Jun-young): Antagonis Pencari Sensasi
Geum Seong-je, played by Lee Jun-young, is Baek-jin's lieutenant known for his unpredictable nature and thirst for adrenaline.
Interesting Facts:
- Eccentric Personality: Lee Jun-young refers to his character as an “adrenaline junkie”, who only pursues pleasure without loyalty to anyone.
- Stunning Acting: Lee Jun-young's performance as Seong-je received praise for bringing a creepy but interesting antagonist to life.
- Character Future: In a mid-credits scene, Seong-je rejects an offer to replace Baek-jin, but his psychopathic nature suggests he may return to fight Si-eun.
7. Choi Hyo-man (Yoo Su-bin): an ambitious bully

Choi Hyo-man, played by Yoo Su-bin, is a bully in Eunjang who wants to join the Union. He appeared as a guest character in the first season and had a larger role in the second.
Interesting Facts:
- Humorous Personality: Yoo Su-bin describes Hyo-man as a “troublesome seven-year-old”, adding an element of humor to his character.
- Conflict with Si-eun: Hyo-man is the first bully to face Si-eun in Eunjang, repeating the dynamics of the first season.
- Role Development: Hyo-man's role is expanded in the second season, giving a deeper picture of his ambition to rise through the ranks in the world of student gangs.
8. Ahn Su-ho (Choi Hyun-wook): Sahabat yang Dirindukan

Despite not appearing actively in most of the second season, Ahn Su-ho remains an important part of the story through his memories and influence on Si-eun.
Interesting Facts:
- Coma and recovery: Su-ho finally wakes up from his coma in episode 8, providing an emotional moment when Si-eun brings her new friends to meet him.
- Great Influence: Park Ji-hoon stated that without Su-ho, the narrative of the second season would not have happened, as Si-eun's trauma over Su-ho's condition shaped her attitude in Eunjang.
9. Oh Beom-seok (Hong Kyung): Bayang-bayang Masa Lalu

Oh Beom-seok, played by Hong Kyung, is a tragic character from the first season who appears in Si-eun's dreams and memories in the second season.
Interesting Facts:
- Remorse and forgiveness: In Si-eun's dream, Beom-seok rebukes Si-eun for making a new friend, reflecting Si-eun's guilt over the failure of their friendship.
- Luck in the Philippines: After the first season, Beom-seok is sent to the Philippines by his father, and his presence in the second season is only through flashbacks.
Mengapa Karakter Weak Hero Class Season 2 Begitu Menarik?
Characters in Weak Hero Class Season 2 offers a deep combination of action, emotion and progression. From Si-eun who struggles with trauma, to Hu-min who is full of justice, and Baek-jin who is charismatic yet tragic, each character carries its own color. The dynamic of friendship and conflict with Union creates a rich narrative, making the audience constantly want to know the continuation of their story.
Watch Tips for new fans:
- Watch Weak Hero Class 1 first to understand the background of Si-eun, Su-ho, and Beom-seok.
- Pay attention to the action scenes, which are beautifully choreographed by the team behind Vincenzo and Squid Game.
- Follow the emotional development of the characters, especially Si-eun, who is at the heart of the story.
Conclusion: Weak Hero Class Season 2 presenting characters that not only entertain but also arouse emotions. With stunning acting from Park Ji-hoon, Ryeo-un, Lee Jun-young, and others, this season manages to retain the charm of the first season while introducing new dynamics. For fans of Korean dramas looking for stories about friendship, courage, and the fight against injustice, Weak Hero Class 2 is a must-watch option.
