after the the monsters broke out.. and ji-su joined the group of survivors.. you hated it.. and her..

you guys bickered everyday.. until the day she got appendicitis..

she was locked in the bathroom and you broke inside to see her on the floor..

------ " god damnit!.. "

you said as you called for the others.. and they took her to eun-hyuk.. you were anxious the whole time.. but why?..