Weak Hero Class 2 l kdrama overview – Cast,Plot,Original Webtoon

Strength isn’t just about power—it’s about survival, and Weak Hero Class 2 takes that fight to the next level. As the brutal hierarchy of school violence escalates, new alliances are formed, and hidden pasts come to light. With intense action, gripping drama, and high-stakes battles, this sequel pushes its characters to their limits in a world where only the strongest endure.

Weak Hero Class 2  ㅣInformation

CategoryWeak Hero Class 2
Native title약한영웅 Class 2
CountrySouth Korea
GenreAction, Thriller, Youth, Drama
Director byYoo Soo-Min
Story byYoo Soo-Min
Starring
Cast
Park Ji-Hoon as Yeon Si-Eun
Ryeoun as Park Hu-Min
Choi Min-Young as Seo Jun-Tae
Lee Min-Jae as Go Hyun-Tak
Bae Na-Ra as Na Baek-Jin
Lee Jun-Young as Geum Seong-Je
Yoo Soo-Bin as Choi Hyo-Man
Number of Episodes8
Release datesScheduled for the second quarter of 2025 (April to June)
Streaming byNETFLIX

Weak Hero Class 2 Cast

Park Ji-Hoon as Yeon Si-Eun

A former top student known for his sharp intellect and calculated fighting style, Yeon Si-eun once dominated the school’s hierarchy through sheer strategy rather than brute strength. After the events of Weak Hero Class 1, he finds himself drawn back into the world of violence, where he must face even more dangerous enemies. Despite his small frame, his ability to analyze opponents and exploit their weaknesses makes him a formidable fighter.

Park Ji-Hoon
◾Birth Date: May 29, 1999
◾Birthplace: Masanhappo-gu, Changwon, South Korea
◾Debut Work: Debuted as a child actor in the musical Peter Pan (2007)
◾Notable Works: Love Revolution (2020), At a Distance, Spring Is Green (2021), Weak Hero Class 1 (2022)
◾Social Media: Instagram

Ryeoun as Park Hu-Min

Park Hu-min is a new addition to the story, bringing a different kind of energy to the battlefield. He has a strong sense of justice but lacks the calculated approach of Si-eun. As conflicts escalate, he must learn how to navigate the brutal world of school violence without losing himself in the process.

Ryeoun
◾Birth Name: Go Yoon-hwan
◾Birth Date: August 26, 1998
◾Birthplace: Wonsan, North Korea
◾Debut Work: You Are Too Much (2017)
◾Notable Works: 18 Again (2020), Adult Trainee (2021), Through the Darkness (2022)
◾Social Media: Instagram

Choi Min-Young as Seo Jun-Tae

A ruthless and power-hungry figure, Seo Jun-tae is a key antagonist in Weak Hero Class 2. He thrives on control and intimidation, using fear to dominate those around him. His brute strength, combined with his cunning mind, makes him a dangerous opponent for anyone who dares to challenge his authority.

Choi Min-Young
◾Birth Date: October 9, 2002
◾Birthplace: Seoul, South Korea
◾Debut Work: Magic Thousand Characters (2014)
◾Notable Works: Twenty-Five Twenty-One (2022), The Good Detective 2 (2022), XO, Kitty (2023)
◾Social Media: Instagram

Lee Min-Jae as Go Hyun-Tak

One of Seo Jun-tae’s most trusted allies, Go Hyun-tak is fiercely loyal and serves as his right-hand man. Unlike Jun-tae, who uses psychological tactics, Hyun-tak relies on sheer aggression and intimidation. His presence alone is enough to strike fear into weaker students.

Lee Min-Jae
◾Birth Date: January 21, 2000
◾Birthplace: South Korea
◾Debut Work: The Return of Hwang Geum-Bok (2015)
◾Notable Works: Train (2020), Crash Course in Romance (2023), Hide (2024)
◾Social Media:  Instagram

Bae Na-Ra as Na Baek-Jin

Na Baek-jin is a wildcard in the power struggle, often playing both sides to his advantage. While he appears easygoing, his true motives remain unclear. Whether he becomes an ally or an enemy depends entirely on which side benefits him the most.

Bae Na-Ra
◾Birth Date: March 19, 1999
◾Birthplace: South Korea
◾Debut Work: The Uncanny Counter (2020)
◾Notable Works: Evilive (2023), The Devil’s Deal (2023)
◾Social Media: Instagram

Lee Jun-Young as Geum Seong-Je

Geum Seong-je is a relentless fighter who refuses to back down, no matter how tough the opponent. He may not be the smartest, but his sheer willpower and physical endurance make him a dangerous combatant in any fight.

Lee Jun-Young
◾Birth Date: January 22, 1997
◾Birthplace: Uijeongbu, South Korea
◾Debut Work: Debuted as a member of U-KISS in 2014
◾Notable Works: Imitation (2021), D.P. (2021), May I Help You (2022)
◾Social Media: Instagram

Yoo Soo-Bin as Choi Hyo-Man

A towering presence, Choi Hyo-man is a muscle-bound enforcer who uses brute force to maintain order. He follows the strongest leader, making him a powerful but unpredictable figure in the school’s violent hierarchy. His ability to crush opponents with raw strength makes him one of the most feared figures in Weak Hero Class 2.

Yoo Soo-Bin
◾Birth Date: November 6, 1992
◾Birthplace: Seoul, South Korea
◾Debut Work: Live (2018)
◾Notable Works: Crash Landing on You (2019-2020), Start-Up (2020), D.P. (2021)
◾Social Media:  Instagram

Weak Hero Class 2 Plot

Following the events of the first season, Yeon Si-Eun transfers to Eunjang High School, carrying the trauma of failing to protect his friends from violence. At his new school, he befriends Park Hu-MinSeo Jun-Tae, and Go Hyun-Tak. Together, they face challenges posed by a notorious group called the Alliance, which includes members like Na Baek-Jin and Geum Seong-Je. Si-Eun must confront greater violence and strive to protect his new friends, all while grappling with his past traumas.

The first season of “Weak Hero” garnered significant attention for its intense storyline and character development. The series was praised for its realistic portrayal of school violence and the resilience of youth. With its move to Netflix for the second season, the series is anticipated to reach a global audience, further solidifying its impact in the K-drama landscape.

Weak Hero Class 2 Point to watch

Original webtoon “Weak Hero”

Original Platform: Naver Webtoon (Korea)
Serialization Start Date: May 5, 2018
International Platform: LINE Webtoon (English)
English Serialization Start Date: September 9, 2019

“Weak Hero” centers on Gray Yeon, a diminutive and seemingly frail high school student at Eunjang High School. Despite his unassuming appearance, Gray possesses a sharp intellect and strategic mind, enabling him to confront and dismantle the school’s oppressive bullying hierarchy. Utilizing his analytical skills and understanding of physics, he turns everyday objects into weapons, taking down larger adversaries and challenging the established social order.

The webtoon has garnered significant acclaim for its compelling narrative and character development. Readers have praised its realistic portrayal of school violence and the psychological depth of its characters. The series’ popularity led to its adaptation into the live-action drama “Weak Hero Class 1,” which further expanded its audience.

Summary of Weak Hero Class 1

1. Main Characters in Season 1

  • Yeon Si-Eun (Played by Park Ji-Hoon)
    A top student at Eunjang High School, Si-Eun appears weak due to his small frame but is highly intelligent and skilled at using his surroundings to fight against bullies.
  • Ahn Su-Ho (Played by Choi Hyun-Wook)
    A kind-hearted and physically strong student who befriends Si-Eun. He values loyalty and stands up for his friends.
  • Oh Beom-Seok (Played by Hong Kyung)
    A wealthy but timid student who initially finds protection with Si-Eun and Su-Ho. However, his insecurity and trauma push him to make drastic decisions later in the story.
  • Jeon Seok-Dae (Played by Shin Seung-Ho)
    A notorious bully and gang leader who sees Si-Eun as a threat to his authority. He orchestrates violent encounters to break Si-Eun and his friends.
  • Gil Soo (Played by Cha Woo-Min)
    A ruthless enforcer working for Seok-Dae, known for his aggressive fighting style and willingness to escalate violence.

2. Plot Summary of Season 1

Weak Hero Class 1 follows Yeon Si-Eun, a model student who is often overlooked due to his frail physique. However, when school bullies target him, they soon realize that he is not as weak as he appears. Using his intelligence and strategic thinking, Si-Eun fights back against the bullies who control Eunjang High School.

Throughout the season, Si-Eun builds friendships with Ahn Su-Ho and Oh Beom-Seok, two students who support him in his struggle against violence. While Su-Ho stands by Si-Eun’s side through thick and thin, Beom-Seok’s inner conflicts cause him to betray his friends, leading to a tragic conclusion.

As Si-Eun and Su-Ho face escalating threats from Jeon Seok-Dae and his gang, their battle for survival becomes increasingly dangerous. The season ends with heartbreaking consequences, forcing Si-Eun to confront the harsh reality that violence often leaves lasting scars.

3. How Does Season 1 Connect to Season 2?

Continuation of Si-Eun’s Story
After the traumatic events of Season 1, Si-Eun transfers to a new school, still struggling with the loss of his closest friend. Season 2 will follow his journey at Eunjang High, where he meets new allies and faces new enemies.

New Characters & Challenges
Unlike Season 1, which focused on Si-Eun fighting within his immediate environment, Season 2 will introduce a larger conflict involving multiple schools and an underground group known as the Alliance.

The Psychological Aftermath
Season 1 was a story about survival and friendship, while Season 2 is expected to explore Si-Eun’s internal struggles, his increasing reliance on violence, and whether he can protect his new friends from suffering the same fate as Su-Ho.

Why I’m Excited for Weak Hero Class 2

Weak Hero Class 1 was one of the most intense and emotionally gripping K-dramas in recent years, delivering a raw and realistic portrayal of school violence, loyalty, and betrayal. Now, with Season 2 moving to Netflix, expectations are even higher.

One of the things I’m most excited about is Yeon Si-Eun’s transformation. After everything he went through in Season 1—the fights, the betrayals, and the tragic loss—how will he change? His quiet, strategic mind was already terrifying, but now, with even bigger enemies and deeper emotional wounds, we might see a more ruthless and relentless Si-Eun.

Another major reason to look forward to Season 2 is the new setting and characters. With Si-Eun transferring to Eunjang High School, he’ll have to navigate new alliances, new conflicts, and new dangers. The introduction of Park Hu-Min, Seo Jun-Tae, and Go Hyun-Tak suggests that this season will expand beyond just one school’s power struggles—especially with the rise of the Alliance, an underground group that seems to control everything.

Visually and narratively, the move to Netflix production is also exciting. Netflix has been delivering some of the best Korean action-thrillers lately (D.P., My Name, Bloodhounds), so it’s safe to assume that Weak Hero Class 2 will feature higher production quality, even more intense fight scenes, and a darker, more cinematic tone.

Overall, Weak Hero Class 2 has the potential to be one of the best Korean dramas of 2025. It’s not just about school fights anymore—it’s about how far Si-Eun will go to protect himself and the people around him. With a compelling story, a great cast, and Netflix backing the production, this season is bound to be more brutal, more emotional, and more unforgettable.

Weak Hero Class 2 OST

update soon

Weak Hero Class 2 Trailer Video

Weak Hero Class 2 Poster

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