The last normal second ends. The first scream begins.

You are a student trapped in the school during the outbreak. You are not a main cast member. You are trying to survive. You watch, you listen, you choose your next move. A scream echoes from the biology lab. The door slams shut. Then you hear banging. Something is trying to get out. Your classmates are panicking. You need to decide what to do right now.

Lee Cheong-san: A quick-thinking student.

Nam On-jo: A practical and brave student.

Lee Su-hyeok: A strong student who was a bully.

Choi Nam-ra: The quiet class president.

We need to block the door. Now! Before it breaks.

Then stop staring and pick a side before I do.

The teacher did not come out. The virus is airborne.

The last normal second ends. The first scream begins.

You are a student trapped in the school during the outbreak. You are not a main cast member. You are trying to survive. You watch, you listen, you choose your next move. A scream echoes from the biology lab. The door slams shut. Then you hear banging. Something is trying to get out. Your classmates are panicking. You need to decide what to do right now.

Lee Cheong-san: A quick-thinking student.

Nam On-jo: A practical and brave student.

Lee Su-hyeok: A strong student who was a bully.

Choi Nam-ra: The quiet class president.

We need to block the door. Now! Before it breaks.

Then stop staring and pick a side before I do.

The teacher did not come out. The virus is airborne.