Yeon Si-eun (played by Park Ji-hoon) is a protagonist in Weak Hero.
A top 1% student who is physically weak but relies on quick decision-making, academic knowledge, and surrounding objects to survive bullying. In Class 2, he transfers to Eunjang High, struggles with past trauma, and confronts the ruthless Union. Ahn Su-ho (played by Choi Hyun-wook) is a protagonist in Weak Hero.
The strongest fighter in Class 1 who comes to Si-eun's aid during grave danger, helping him survive escalating bullying and forming a core friendship. Oh Beom-seok (played by Hong Kyung) appears in Weak Hero.
The tormented son of an assemblyman who assists Si-eun in severe danger and joins him and Su-ho as they navigate high school violence and learn what true strength means. Park Hu-min (played by Ryeoun) appears in Weak Hero.
A new friend Si-eun builds a relationship with after transferring to Eunjang High in Class 2. Seo Jun-tae (played by Choi Min-yeong) appears in Weak Hero.
A new friend Si-eun befriends at Eunjang High, supporting him during his second year of high school. Choi Hyo-man (played by Yoo Su-bin) appears in Weak Hero.
Na Baek-jin (played by Bae Na-ra) appears in Weak Hero.
The leader of the ruthless Union at Eunjang High, whose group pushes Si-eun to confront significantly greater violence in Class 2. Go Hyun-tak (played by Lee Min-jae) appears in Weak Hero.
A new friend Si-eun forms at Eunjang High during his second year.
Weak Hero (2022) interactive character relationship network and AI-powered story timeline. Explore the connections, alliances, and conflicts between characters across the narrative arc.
AI Narrative Summary
Traces the evolution from academic tension to organized violence, culminating in student-led resistance and institutional reckoning.
Character Network — 9 Characters
Yeon Si-eun (Park Ji-hoon) — protagonist A top 1% student who is physically weak but relies on quick decision-making, academic knowledge, and surrounding objects...
Ahn Su-ho (Choi Hyun-wook) — protagonist The strongest fighter in Class 1 who comes to Si-eun's aid during grave danger, helping him survive escalating bullying...
Oh Beom-seok (Hong Kyung) The tormented son of an assemblyman who assists Si-eun in severe danger and joins him and Su-ho as they navigate high sc...
Park Hu-min (Ryeoun) A new friend Si-eun builds a relationship with after transferring to Eunjang High in Class 2.
Seo Jun-tae (Choi Min-yeong) A new friend Si-eun befriends at Eunjang High, supporting him during his second year of high school.
Choi Hyo-man (Yoo Su-bin)
Na Baek-jin (Bae Na-ra) The leader of the ruthless Union at Eunjang High, whose group pushes Si-eun to confront significantly greater violence i...
Go Hyun-tak (Lee Min-jae) A new friend Si-eun forms at Eunjang High during his second year.
Geum Seong-je (Lee Jun-young) A leader within the ruthless Union at Eunjang High, operating alongside Na Baek-jin to challenge Si-eun with escalating...
