If you’ve been craving an action-packed show with brutal fight scenes and a gripping storyline, “Weak Hero Class” should be your next binge-watch. Even better: season 2 is now streaming on Netflix, and it’s already climbing the top 10 list.
Originally premiering on the Korean streaming service Wavve, “Weak Hero Class” became an instant hit thanks to its central performances and heavy focus on youth violence.
The first season introduced viewers to a quiet, top-of-his-class student who looks like an easy target but quickly flips expectations by using intelligence and precision to take down school bullies.
Now, with season 2 available to stream as of April 25, the stakes are even higher. There’s new enemies, shifting alliances, and deeper character backstories.
So, whether you're new to the show or ready to dive back in after watching season 1, there's never been a better time to start streaming the “Weak Hero Class.” Here’s what to know about this Korean action drama before adding it to your Netflix watchlist.
What is ‘Weak Hero Class’ about?
“Weak Hero Class” centers around Yeon Si-eun (Park Ji-hoon), a quiet, top-ranked high school student who appears physically weak but possesses a sharp intellect and calculated precision.
Bullied for his perceived vulnerability, Si-eun surprises everyone when he fights back — not with brute strength, but with strategy, agility, and sheer willpower.
Set in a violent school environment where bullies rule and teachers turn a blind eye, Si-eun quickly gains a reputation for his unexpected resilience. He forms a reluctant alliance with Su-ho (Choi Hyun-Wook), a tough and loyal classmate, and Beom-seok (Hong Kyung), a lonely transfer student seeking friendship.
As the trio faces increasingly dangerous confrontations with gangs and rival students, tensions rise, and their friendship is put to the test.
What to know about ‘Weak Hero Class’ season 2 on Netflix
“Weak Hero Class” is based on the webtoon “Weak Hero” and expands the narrative of Yeon Si-eun, a brilliant student navigating the dangerous environment of Eunjang High School.
When we last saw Yeon Si-eun, he had just been forced to transfer to Eunjang High after being expelled from his previous school, Byuksan. His closest friend Oh Beom-seok turned on him, and another friend, Su-ho, ended up in a coma after a savage beating by Jeon Yeong-bin (Kim Su-gyeom) and his crew.
Now, still carrying the weight of that trauma, Si-eun finds himself in a new school with new faces — Park Hu-min (Ryeo Un), Seo Jun-tae (Choi Min-young), and Go Hyun-tak (Lee Min-jae) — who slowly become his allies in the chaos.
But that peace is short-lived for the sake of creating juicy drama. Si-eun’s next major obstacle is Choi Hyo-man (Yoo Su-bin), one of Eunjang’s most feared fighters. Their rivalry, which began brewing at the end of the first season, quickly escalates as Hyo-man sees Si-eun as a threat to his reputation.
Season 2 dives deeper into the emotional side of things too, especially what it means to trust people again after betrayal, and how trauma doesn’t just disappear after the fight is over.
The fight choreography is just as brutal and tight as ever, but it’s the character development that hits the hardest this season. And clearly, people are paying attention. Within days of its release, the show shot up Netflix’s top 10 list in the U.S.
“Weak Hero Class” season 2 has garnered positive reviews from critics, with audiences rating it 86% on Rotten Tomatoes. Jonathon Wilson from Ready Steady Cut said: “Weak Hero remains an engaging, enjoyable, and eminently binge-worthy proposition in its new Netflix home.”
Meanwhile, South China Morning Post’s Pierce Conran stated it “ups the ante with fantastic fight choreography and some wonderful new cast additions.”
While the fight scenes remain intense and visually striking in “Weak Hero Class,” this season shifts away from the calculated tactics that once defined Si-eun’s battles.
That change feels intentional, though, as it mirrors where he’s at mentally. He’s no longer the cool, methodical fighter we first met. Instead, he’s barely keeping it together.
His actions feel more reactive than strategic, as if he’s still caught in the emotional chaos that broke him at the end of season 1. This is what makes his character so compelling.
So, whether you’ve been waiting for this season or just stumbled upon it in the top 10 shows list on Netflix, now’s the perfect time to dive in. And with the way things end, don’t be surprised if you’re already hoping for a season 3.
Stream both seasons of "Weak Hero Class" on Netflix now.
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