what's wrong with na yeon in all of us are dead

Quick Scoop

Na-yeon in All of Us Are Dead is basically written as a spoiled, classist, self-preserving student whose fear pushes her into cruel choices, including betraying others. She’s not usually treated as “mentally ill” by the story; most discussion frames her as selfish, traumatized by the apocalypse, and deeply insecure rather than possessed by something supernatural or “wrong” in a medical sense.

What makes her stand out

• She looks down on poorer classmates and acts superior.

• When the zombie outbreak hits, she becomes more defensive and desperate, which makes her behavior worse.

• The most hated moment is her decision involving Gyeong-su, which many viewers see as unforgivable.

• At the same time, some fans think the show gave her a strong setup but no satisfying payoff, so her arc feels unfinished.

Why people argue about her

Some viewers see her as a realistic example of how panic can bring out someone’s worst traits, while others just see her as a bully who crossed a line and never earned redemption. Lee Yoo-mi, who plays Na-yeon, has said the character is driven by her emotions and survival instinct, which helps explain her behavior without excusing it.

Forum vibe

“She took someone's life, and it wasn't out of necessity.”

“There was no resolution to her arc.”

That’s the general split: one side hates her for what she did, and the other thinks the writers wasted a potentially interesting redemption or tragic arc.

In plain terms

What’s “wrong” with Na-yeon is that she’s written as a mix of class prejudice, fear, and selfish survival instinct, and the apocalypse strips away whatever restraint she had left. So the character isn’t “crazy” so much as morally ugly under extreme pressure.

TL;DR: Na-yeon is a classist, self-centered survivor whose fear makes her act cruelly, and most fan discussion focuses on whether she deserved redemption or was too far gone.