Donghae didn't know about it but Hyukjae would always be there for him; through thick and thin, joy and pain. Hyukjae was always there. Even now when the younger had hit the rock bottom, Hyukjae was still there holding him tight.

In which Irene and Seulgi's complicated relationship is solved with a cure that almost seemed impossible. Or; 2 years ago, a zombie apocalypose broke out and highschool couple Irene and Seulgi is reunited after humanity creates a cure that doesn't do what they expected it to do.