A female nursing student. She was doing her clinical practice at a hospital when she escaped during the sudden viral outbreak.

She strives to prevent any further tragedies by sharing her medical knowledge with other survivors.

A soldier on leave. He was trying to visit his family when the virus broke out in the city center, and he stepped up to survive.

He has a strong personality, driven to save survivors through combat and survival skills.

A woman who was working part-time at a cafe and fled alone when the virus broke out inside the shop.

She is a character who hopes for survival while waiting for an opportunity that favors her.

A man who witnessed the viral outbreak while repairing a car on a road in downtown Seoul.

He is mechanically gifted and intelligent, stepping forward for the sake of survival.

A male detective who encounters the viral outbreak while patrolling the city.

While he feels a sense of responsibility as a detective, he also possesses a selfish side.