After the Kdrama series “Weak Hero Class 1” was released on Netflix on March 25, its most awaited sequel will premiere this month. Are you ready to join Yeon Si Eun as he faces new challenges at his new school, dealing with violence and struggling to protect his friends? Find the “Weak Hero Class 2” premiere date, cast lineup, teaser Netflix, and check out the captivating teaser for this series!
Netflix KDrama Series “Weak Hero Class 2” Premiere Date + Teaser
Netflix has unveiled the premiere date of “Weak Hero Class 2” along with its teaser poster and video.

Storyline
In the second season of the series, director You Su Min continues the story of Yeon Si Eun as he faces the challenges at his new school. After an incident that forced him to confront school violence in the first season, he transferred to Eunjang High School. Here, he faces even greater violence, showing his struggle to survive.
At Eunjang, Si Eun makes friends with Park Hu Min, Seo Jun Tae, and Ko Hyeon Tak. Carrying the pain from his past when he couldn’t protect his close friend, he vows to keep his new friends safe at all costs. However, their growing bond draws the attention of a dangerous gang led by the fierce Na Baek Jin.
Si Eun finds himself forced into many fights to defend himself and his friends, pushing himself to his limits. However, with more potent and relentless enemies than ever, can he protect the people he cares about?
“Weak Hero Class 2” Cast
Park Ji Hoon will reprise his role as Yeon Si Eun in this upcoming sequel. In addition, the “Weak Hero Class2” will have a fresh cast lineup. These talented young actors will play new characters:
- Ryeo Un as Park Hu Min/Ben Park
- Choi Min Yeong as Seo Jun Tae/Eugene Gale
- Lee Min Jae as Ko Hyeon Tak/Alex Go
- Bae Na Ra as Na Baek Jin/Donald Na
- Lee Jung Young as Geum Seong Je/Wolf Keum
Teaser Poster and Video
The newly released teaser provides a sneak peek of what’s ahead. Although his face is covered in wounds, he shows remarkable strength. His intense gaze suggests that his fight is far from over. The text on the poster “Stand To Protect It” sparks curiosity about the greater violence he will face at his new school while also carrying a past trauma.
숨 막히는 교실에 돌아왔다. 그리고, 지켜야 할 것이 생겼다.
— Netflix Korea|넷플릭스 코리아 (@NetflixKR) April 2, 2025
<약한영웅 Class 2> 4월 25일 오직 넷플릭스에서. pic.twitter.com/sQPYlQV8rt
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