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.
In episode 7, Si-eun gets seriously injured, but he doesn't tell Soo-ho about it to protect Bum-seok.
Beom-seok indirectly harms Si-eun through his actions, causing severe injury while Si-eun shields him from consequences.
In episode 7, Si-eun gets beaten up by the guys Bum-seok paid to beat up Soo-ho. Si-eun gets seriously injured, but he doesn't tell Soo-ho about it to...
Si-eun and Su-ho combine intellect and physical strength to navigate school violence threats.
In episode 2, Si-eun gets closer to Soo-ho and becomes friends. Later, Soo-ho comes to Si-eun's rescue when he gets confronted by Young-bin and his th...
Su-ho provides physical security for Si-eun, establishing a dynamic where he handles direct confrontations.
In episode 2, Soo-ho comes to Si-eun's rescue when he gets confronted by Young-bin and his thugs.
Explore the full interactive character relationship map of Weak Hero