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IMDbPro

Yakhanyeongung

  • TV Mini Series
  • 2022–
  • TV-MA
  • 40m
IMDb RATING
8.4/10
19K
YOUR RATING
POPULARITY
527
47
Yakhanyeongung (2022)
Yeon Shi-eun is a model student, who ranks at the top at his school. Physically, he appears like a weak boy, but, by using his smarts, tools, and psychology, he fights against violence that takes place inside and outside of his school.
Play trailer1:37
2 Videos
99+ Photos
Korean DramaTeen DramaActionDramaThriller

Yeon Shi-eun is a model student, who ranks at the top at his school. Physically, he appears like a weak boy, but, by using his smarts, tools, and psychology, he fights against violence that ... Read allYeon Shi-eun is a model student, who ranks at the top at his school. Physically, he appears like a weak boy, but, by using his smarts, tools, and psychology, he fights against violence that takes place inside and outside of his school.Yeon Shi-eun is a model student, who ranks at the top at his school. Physically, he appears like a weak boy, but, by using his smarts, tools, and psychology, he fights against violence that takes place inside and outside of his school.

  • Stars
    • Park Ji-hoon
    • Hong Kyung
    • Choi Hyun-wook
  • See production info at IMDbPro
  • IMDb RATING
    8.4/10
    19K
    YOUR RATING
    POPULARITY
    527
    47
    • Stars
      • Park Ji-hoon
      • Hong Kyung
      • Choi Hyun-wook
    • 130User reviews
    • 12Critic reviews
  • See production info at IMDbPro
  • Episodes16

    Browse episodes
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    Videos2

    Official Trailer - Season 2
    Trailer 1:37
    Official Trailer - Season 2
    Trailer Season 1 [OV]
    Trailer 1:08
    Trailer Season 1 [OV]
    Trailer Season 1 [OV]
    Trailer 1:08
    Trailer Season 1 [OV]

    Photos121

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    Top cast34

    Edit
    Park Ji-hoon
    Park Ji-hoon
    • Gray Yeon…
    • 2022–2025
    Hong Kyung
    Hong Kyung
    • Bryce Oh…
    • 2022–2025
    Choi Hyun-wook
    Choi Hyun-wook
    • Ahn Soo-ho…
    • 2022–2025
    Ryeoun
    Ryeoun
    • Park Hoo-min
    • 2025
    Kim Su-gyeom
    • Jeon Young-bin
    • 2022
    Lee Yeon
    Lee Yeon
    • Young Yi
    • 2022
    Shin Seung-ho
    • Jeon Seok-dae
    • 2022
    Hwang Sung-bin
    • Tae-hoon
    • 2022
    Cha Woo-min
    • Kang Woo-yeong
    • 2022
    Jo Han-chul
    Jo Han-chul
    • Oh Jin-won
    • 2022
    Yoon Jung-Hoon
    • Jung Chan
    • 2022
    Na Chul
    Na Chul
    • Kim Gil-soo
    • 2022
    Choi Min-yeong
    Choi Min-yeong
    • Seo Jun Tae
    • 2025
    Bae Na-Ra
    • Na Baek Jin
    • 2025
    Lee Min-Jae
    • Ko Hyeon Tak
    • 2025
    Lee Jun-young
    Lee Jun-young
    • Geum Seong Je
    • 2025
    Yuuki Luna
    Yuuki Luna
    • Various
    • 2022
    Lorna Duyn
    Lorna Duyn
    • Various
    • 2022
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews130

    8.419K
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    Featured reviews

    10theblerdfantastic

    Best K-Drama of 2022

    The headline says it all --- the themes of this show are long overdue in its portrayal of the S. Korean HS life. Its the best show I've seen all year. Based on a Webtoon comic, Weak Hero is a unique take on the coming of age fighter tale as Yeon Si Eun uses his intellect and unbridled rage to fight and defend those who feel weak under the rules of society thus fall victim. Never has it been a clearer example of hurt people create more hurt people than in this incredible adaptation. Definitely a must watch for fans of South Korean Webtoon manhwas like Study Group, To Not Die and Viral Hit just to name a few.
    9fake_moviestar

    Unexpectedly Great

    I went into this show with admittedly low expectations. It didn't air on any of the big Korean channels, and wasn't made for any streaming service in particular. There were no big name actors in it, although I did recognize Park Ji Hoon from the fantastic At A Distance Summer is Green, where he played a summery playboy hiding a dark secret. This character could not have been more opposite, and boy was I blown away by his performance. I hope he is given bigger roles after this show, he certainly deserves the chance as his acting was great across the board.

    Si Yeun is a pretty, smallish young boy, so seeing him being a brilliant strategist combined with a wiry, stubborn strength was a pleasant surprise that kept me interested from the very first few minutes. While school bullying in Korean dramas is certainly not a new concept, this show is somewhat different from the others I have seen. It centers on human emotions in a way that puts every character in a grey moral zone that makes them all incredible interesting to watch and also all too relatable.

    It seems the ending was set up for a season two, and I really hope to see another set of episodes of this amazing show. I was completely hooked from start to finish!
    9soeprijo19

    I will never see a pen the same way again

    The story is typical. Some rascals bully other weak students in school. But don't give up on that, because our protagonist, Yeon Si Eun, although has a weak physic, has a brilliant mind in fighting comparable to Sherlock Holmes (2009 and 2011) type of fighting skill.

    Si Eun fought bullies with his wits and will. And along the way, he picked up some new friends. Soo Hoon, Beom Seok and Young Yi joined Si Eun to end bullying in their school. And when they thought it was over, something happened among themselves that beyond anything they could prepared for.

    I binged watching this last night. A full 8 episodes of brawl, friendship, love and betrayal. And I just can't wait for season 2 already!

    Excellent 9/10.
    8Charlie-03

    He doesn't throw punches. He throws consequences.

    This isn't your typical high school drama.

    No crushes. No fluff. Just grit, trauma, and survival.

    Yeon Si-eun (Park Ji-hoon) is the kind of character who looks weak-skinny, pale, top student-but when cornered, he becomes terrifyingly strategic. He fights not with fists, but with intellect and intent. Every move is calculated. Every blow has purpose.

    He's not just fighting bullies-he's fighting a system that rewards cruelty and punishes silence.

    --- Why It Hits So Hard:

    Brutal realism: The fights are short, messy, and raw. You feel every hit.

    Cinematic quality: It looks and sounds like a film, not a web series.

    Three-dimensional characters: You're not watching good guys vs. Bad guys. You're watching flawed boys forced to grow up fast.

    Themes: Power, loyalty, betrayal, and the violence beneath the surface of society.

    --- What Stays With You

    The friendship between Si-eun, Su-ho, and Beom-seok?

    Heartbreaking.

    It starts as a glimmer of hope-and ends in pure devastation.

    The transformation of Beom-seok is a masterclass in how trauma mutates into something darker when ignored.

    --- Standout Performances:

    Park Ji-hoon (Si-eun): Cold, precise, yet quietly emotional. A revelation.

    Choi Hyun-wook (Su-ho): The loyal bruiser with a soft heart.

    Hong Kyung (Beom-seok): Possibly the most complex and tragic arc.

    --- This show isn't about glorifying violence.

    It's about what people become when no one protects them.

    And in that silence, how some people rise-while others fall.

    If you're tired of polished heroes and one-dimensional villains, Weak Hero Class 1 punches through the clichés and leaves a lasting bruise.

    It's not just a show. It's a gut check.
    10imdbfan-7596256975

    Season 2 of Weak Hero Class Left Me Speechless - Season 3 Is a Must

    I honestly don't have enough words to describe how much Season 2 of Weak Hero Class meant to me. It's rare to find a show that hits so hard emotionally while still delivering intense action and brilliant storytelling. Every episode had me completely hooked - I felt every punch, every tear, and every quiet moment. The characters grew in ways I didn't expect, and I found myself caring about them even more than before.

    This season wasn't just good - it was unforgettable. You can feel the passion and effort behind every scene. That's why I truly believe a Season 3 isn't just something fans want - it's something we need. There's still so much more to explore, and I hope the creators know just how powerful this series is.

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    Storyline

    Edit

    Did you know

    Edit
    • Trivia
      Based on Manhwa/Webtoon/Webcomic "Yakhanyoungwoong" written by Seo Pae-Seu & illustrated by Kim Jin-Seok (first published from May 5, 2018 via Naver).
    • Connections
      Referenced in Show!nterview with Sunmi: "Weak Hero Class 1" Park Jihoon and Choi Hyunwook's strong entertainment (2022)

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    FAQ9

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    Details

    Edit
    • Release date
      • April 25, 2025 (France)
    • Country of origin
      • South Korea
    • Official sites
      • iQiyi
      • Official Site
    • Language
      • Korean
    • Also known as
      • Weak Hero
    • Production companies
      • Playlist Studio
      • Shotcake
    • See more company credits at IMDbPro

    Tech specs

    Edit
    • Runtime
      • 40m
    • Color
      • Color
    • Sound mix
      • Dolby Digital
      • Dolby Atmos
    • Aspect ratio
      • 2:1

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