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.
Si-eun's loyalty to Beom-seok defines his actions, prioritizing the friend's safety over his own well-being.
Beom-seok indirectly harms Si-eun through his actions, causing severe injury while Si-eun shields him from consequences.
Si-eun and Su-ho combine intellect and physical strength to navigate school violence threats.
Su-ho provides physical security for Si-eun, establishing a dynamic where he handles direct confrontations.
Explore the full interactive character relationship map of Weak Hero