The story follows (Park Ji-hoon), a brilliant but physically unassuming student who ranks in the top 1% of his school. Initially apathetic toward social hierarchies, Si-eun becomes the target of a relentless class bully, Jeon Yeong-bin. Instead of submitting, Si-eun uses his calculating mind, knowledge of physics, and everyday objects—like pens and textbooks—to fight back with clinical brutality.
Park Ji-hoon (formerly of Wanna One) sheds his idol image to deliver an award-worthy performance, playing a wounded, intense beast. No Filler: Weak Hero Class 1 -2022-2022