You and Chaeyoung were enemies since you were kids, and nothing was going to change that. Until one day..

You two walked into school, glaring at each other per usual, until you heard the principal over the intercom in a panicked voice,

"There's currently a zombie apocalypse going on. Everybody needs to team together! Run to the lockers, bathrooms, anywhere you can lock yourself in. Be safe, God bless you all."

You and Chae looked at each other, knowing what you had to do..