General · EdgepediaOctober 3, 20265 min read

Weak Hero Class 2 (약한영웅 Class 2)

Weak Hero Class 2 (약한영웅 Class 2) is a 2025 South Korean action school drama series released on Netflix on April 25, 2025, as the sequel to Weak Hero Class 1 (2022). Directed by You Su-min, it continues the story of model student Yeon Si-eun (Park Ji-hoon), who transfers to Eunjang High School after losing his friends to school violence and must confront a new, larger network of violent students.¹ The series is based on the Naver webtoon Weak Hero (약한영웅) by writer Seopass and illustrator Razen (Kim Jin Suk).²

Key fact	Detail
Premiere	April 25, 2025, all eight episodes released at once on Netflix¹^•³
Source material	Webtoon Weak Hero by Seopass (writer) and Razen/Kim Jin Suk (illustrator)²
Director and writers	You Su-min (director and co-writer) with Park Hyun-woo; Han Jun-hee as executive producer/creator¹^•⁴
Lead cast	Park Ji-hoon as Yeon Si-eun, with Ryeo Un, Choi Min-yeong, Lee Jun-young, Yu Su-bin, Bae Na-ra, and Lee Min-jae²
Setting	The fictional Eunjang High School in South Korea, where Si-eun transfers after the events at Byuksan High²
Rating	TV-MA on Netflix; 청소년 관람불가 (not suitable for minors) in Korea⁵
Performance	No. 1 on Netflix in South Korea; No. 1 across 32 countries within two days of release⁶^•⁷

Spoilers

Premise

The series picks up where Weak Hero Class 1 ended. Yeon Si-eun, a withdrawn top student, ended up expelled from Byuksan High School once his closest friend Oh Beom-seok (Hong Kyung) turned on him, and his other close friend Su-ho (Choi Hyun-wook) fell into a coma following a brutal fight with the bully Jeon Yeong-bin and his gang. Carrying this trauma, Si-eun transfers to Eunjang High School, a school teeming with delinquents, intending to stay out of fights, but he is drawn back into violence when he must face its most dangerous figures.²

At Eunjang, Si-eun befriends Park Hu-min (Ryeo Un), Seo Jun-tae (Choi Min-yeong), and Go Hyun-tak (Lee Min-jae). His principal antagonists are Choi Hyo-man (Yu Su-bin), the Eunjang tough guy who confronted Si-eun in the Class 1 finale, and Na Baek-jin (Bae Na-ra), leader of the Union, a network of high school gangs, with Geum Seong-je (Lee Jun-young) as Baek-jin's lieutenant.²^•⁸ Netflix's synopsis describes the story as one of survival and growth: a student who failed to protect a friend from school violence transfers to a new school and faces even greater violence so that he never loses a friend again.⁹

Production and relationship to the webtoon

From Wavve to Netflix. Weak Hero Class 1 was produced for the Korean streamer Wavve and premiered in November 2022. Netflix announced the second season in December 2023, and the new season was filmed in the first half of 2024.⁹ Director You Su-min and executive producer Han Jun-hee returned from Class 1, with Park Hyun-woo joining You on the screenplay; production companies were Shortcake and Playlist.¹^•⁴

In an interview, Han Jun-hee explained that Class 1 had covered webtoon chapters 26 through 37, the story of Si-eun's time at Byuksan before his transfer to Eunjang, told in the source material mainly through flashbacks. Class 2 therefore follows the webtoon's main plot from the beginning of the Eunjang arc, introducing the characters Park Hu-min, Seo Jun-tae, Go Hyun-tak, and Na Baek-jin as they appear early in the comic, while adding variations to the characters and their relationships.⁴ In its English version, the webtoon gives the characters different names than the show does: Si-eun goes by Gray, Su-ho by Stephen, Beom-seok by Bryce, and Baek-jin by Donald.⁹

Cast

Park Ji-hoon (Love Song for Illusion) as Yeon Si-eun²
Ryeo Un (Twinkling Watermelon) as Park Hu-min²
Choi Min-yeong (XO, Kitty) as Seo Jun-tae²
Lee Jun-young (Badland Hunters) as Geum Seong-je²
Yu Su-bin (D.P.) as Choi Hyo-man, reprising his brief Class 1 role²^•⁸
Bae Na-ra (D.P.) as Na Baek-jin²
Lee Min-jae (Uprising) as Go Hyun-tak²

Release and reception

Netflix released a teaser on April 1, 2025 and the official trailer on April 10, before the full eight-episode season dropped on April 25, 2025.¹⁰^•¹¹ The release came only a month after Weak Hero Class 1 arrived on Netflix on March 25, 2025, where it entered the streamer's Top 10 and reached the Global Top Ten three years after its original premiere.⁹^•¹²

Commercial performance. The series reached No. 1 on Netflix's South Korean series chart⁶ and, within two days of release, ranked No. 1 in 32 countries.⁷

Critical response. Reception was mixed. Korean and international reviewers noted that the season succeeded commercially but was criticized for losing the realism of Class 1 and diluting what made the first season distinctive, particularly Si-eun's tactical, analytical approach to fights.⁷^•¹³ The Indian Express review called it a rushed adaptation but credited the performances of Park Ji-hoon and Ryeo Un with outweighing the flaws.¹³ Korean commentary also observed that while the plot structure closely mirrors Class 1, with Park Hu-min, Seo Jun-tae, and others overlapping with Class 1 characters Su-ho and Beom-seok, the message differs: where Class 1 showed Si-eun first making friends and standing up to violence, Class 2 centers on a protagonist who has overcome trauma desperately calling for an end to violence.³ As of the season's release, no third season had been officially announced, though Time noted that another season seemed likely given the series' success.¹²

References

Topic: Encyclopedia › Arts and culture › Screen and stage › Film and television › Series and fictional screen worlds › International serial drama and telenovelas › East Asian drama series › Korean contemporary drama › Thriller, crime, and mystery series › Spy and action thrillers

Initially written Oct 3, 2026 · Reviewed: Oct 3, 2026; Oct 25, 2026 · Edited: Oct 3, 2026; Oct 25, 2026; Nov 1, 2026 · Last review: Oct 25, 2026

Notice something wrong?