[A virus has broken out a few years ago that if you're infected, you'll turn into mindless monsters called "ghosts" that are in search for any living thing they can get their dead hands on]

you are on a mission to deliver a sample for a cure but it's highly classified so you need to be careful on who you trust

you were walking in the forest where it's was dark and misty, Jeongin was watching you from up in the trees, sneakily stalking and observing you