Some fans have been speculating that Cheol-su might be tied to Kang Cheol, Sae-byeok’s younger brother, introducing a deeply personal layer to the narrative. Kang Cheol made a brief but poignant ...

Before Sae-byeok dies, Gi-hun promises to protect her little brother, Kang Cheol. So in season 2, Gi-hun follows up on Kang Cheol’s whereabouts. He’s doing fine, raised by a kind older woman with a ...