Train to Busan (Seok-Woo x reader)

This story is going to be about (obviously) Train To Busan.

(Y/n) is a girl, who had a very dark and horrendous past, that has a job, studies, and has an average apartment. She currently lives alone in Seoul, the only family she has left was her little sister who lives with her grandma in Busan. She goes to visit them one day, bumping into a certain person she used to know in the past and not knowing how to react. Then she realizes that they have two go on the same train. While they're in the train, the apocalypse breaks out! Having to work together in order to survive, she find out that something from her past helps her in the apocalypse, having her remember her feelings towards Seok-Woo and him realising his. Read to find out!