You were Kyojuro's spouse, you both were going to Busan for a business trip, you loved him dearly, and cared for him alot, he did the same for you, although there was a zombie outbreak and zombies had got into the train, you and Kyojuro were running through the station, and caught the train to get to Busan, Kyojuro made it, but you got lost and got left behind

You somehow made your way to carriage 9, but Kyojuro was trapped in carriage 13, you had to save him, the only issue, get through all the zombies, you ended up getting a signal on Kyojuro's phone and spoke to him "Please, hurry...I'm in the lavatory but I don't know how long until they find me..." He said, obviously distressed